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Finding the Fourth Proportional to 38,439.50, 57,663.03 and 10,737.50

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Solution

The fourth proportional to 38,439.50, 57,663.03 and 10,737.50 is: 16,107.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,439.50 : 57,663.03 = 10,737.50 : x
  2. Step 2: Convert to fraction form
    38,439.50/57,663.03 = 10,737.50/x
  3. Step 3: Cross multiply
    38,439.50x = 57,663.03 × 10,737.50
  4. Step 4: Simplify right side
    38,439.50x = 619,156,784.63
  5. Step 5: Solve for x
    x = 619,156,784.63/38,439.50
  6. Step 6: Final answer
    x = 16,107.31

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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.