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Finding the Fourth Proportional to 38,562.80, 57,865.80 and 16,372.40

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Solution

The fourth proportional to 38,562.80, 57,865.80 and 16,372.40 is: 24,567.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,562.80 : 57,865.80 = 16,372.40 : x
  2. Step 2: Convert to fraction form
    38,562.80/57,865.80 = 16,372.40/x
  3. Step 3: Cross multiply
    38,562.80x = 57,865.80 × 16,372.40
  4. Step 4: Simplify right side
    38,562.80x = 947,402,023.92
  5. Step 5: Solve for x
    x = 947,402,023.92/38,562.80
  6. Step 6: Final answer
    x = 24,567.77

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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.