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Finding the Fourth Proportional to 57,962.78, 79,989.47 and 33,763.13

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Solution

The fourth proportional to 57,962.78, 79,989.47 and 33,763.13 is: 46,593.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,962.78 : 79,989.47 = 33,763.13 : x
  2. Step 2: Convert to fraction form
    57,962.78/79,989.47 = 33,763.13/x
  3. Step 3: Cross multiply
    57,962.78x = 79,989.47 × 33,763.13
  4. Step 4: Simplify right side
    57,962.78x = 2,700,694,432.09
  5. Step 5: Solve for x
    x = 2,700,694,432.09/57,962.78
  6. Step 6: Final answer
    x = 46,593.60

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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.