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Finding the Fourth Proportional to 57,732.60, 79,647.60 and 44,280.12

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Solution

The fourth proportional to 57,732.60, 79,647.60 and 44,280.12 is: 61,088.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,732.60 : 79,647.60 = 44,280.12 : x
  2. Step 2: Convert to fraction form
    57,732.60/79,647.60 = 44,280.12/x
  3. Step 3: Cross multiply
    57,732.60x = 79,647.60 × 44,280.12
  4. Step 4: Simplify right side
    57,732.60x = 3,526,805,285.71
  5. Step 5: Solve for x
    x = 3,526,805,285.71/57,732.60
  6. Step 6: Final answer
    x = 61,088.63

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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.