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Finding the Fourth Proportional to 48,274.76, 66,549.36 and 33,890.79

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Solution

The fourth proportional to 48,274.76, 66,549.36 and 33,890.79 is: 46,720.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,274.76 : 66,549.36 = 33,890.79 : x
  2. Step 2: Convert to fraction form
    48,274.76/66,549.36 = 33,890.79/x
  3. Step 3: Cross multiply
    48,274.76x = 66,549.36 × 33,890.79
  4. Step 4: Simplify right side
    48,274.76x = 2,255,410,384.39
  5. Step 5: Solve for x
    x = 2,255,410,384.39/48,274.76
  6. Step 6: Final answer
    x = 46,720.28

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Half scale
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Double scale
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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.