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Finding the Fourth Proportional to 38,572.30, 57,866.91 and 16,404.64

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Solution

The fourth proportional to 38,572.30, 57,866.91 and 16,404.64 is: 24,610.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,572.30 : 57,866.91 = 16,404.64 : x
  2. Step 2: Convert to fraction form
    38,572.30/57,866.91 = 16,404.64/x
  3. Step 3: Cross multiply
    38,572.30x = 57,866.91 × 16,404.64
  4. Step 4: Simplify right side
    38,572.30x = 949,285,826.46
  5. Step 5: Solve for x
    x = 949,285,826.46/38,572.30
  6. Step 6: Final answer
    x = 24,610.56

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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.