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Finding the Fourth Proportional to 37,577.52, 51,891.84 and 28,129.68

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Solution

The fourth proportional to 37,577.52, 51,891.84 and 28,129.68 is: 38,845.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,577.52 : 51,891.84 = 28,129.68 : x
  2. Step 2: Convert to fraction form
    37,577.52/51,891.84 = 28,129.68/x
  3. Step 3: Cross multiply
    37,577.52x = 51,891.84 × 28,129.68
  4. Step 4: Simplify right side
    37,577.52x = 1,459,700,853.81
  5. Step 5: Solve for x
    x = 1,459,700,853.81/37,577.52
  6. Step 6: Final answer
    x = 38,845.06

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.