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Finding the Fourth Proportional to 37,163, 51,291.42 and 21,248.12

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Solution

The fourth proportional to 37,163, 51,291.42 and 21,248.12 is: 29,326.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,163 : 51,291.42 = 21,248.12 : x
  2. Step 2: Convert to fraction form
    37,163/51,291.42 = 21,248.12/x
  3. Step 3: Cross multiply
    37,163x = 51,291.42 × 21,248.12
  4. Step 4: Simplify right side
    37,163x = 1,089,846,247.13
  5. Step 5: Solve for x
    x = 1,089,846,247.13/37,163
  6. Step 6: Final answer
    x = 29,326.11

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Half scale
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Double scale
Find fourth proportional to 37,164, 51,292.80 and 21,249.12
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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.