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Finding the Fourth Proportional to 57,299.76, 85,937.76 and 15,737.04

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Solution

The fourth proportional to 57,299.76, 85,937.76 and 15,737.04 is: 23,602.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,299.76 : 85,937.76 = 15,737.04 : x
  2. Step 2: Convert to fraction form
    57,299.76/85,937.76 = 15,737.04/x
  3. Step 3: Cross multiply
    57,299.76x = 85,937.76 × 15,737.04
  4. Step 4: Simplify right side
    57,299.76x = 1,352,405,966.63
  5. Step 5: Solve for x
    x = 1,352,405,966.63/57,299.76
  6. Step 6: Final answer
    x = 23,602.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.