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Finding the Fourth Proportional to 26,432.72, 39,653.12 and 8,901.12

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Solution

The fourth proportional to 26,432.72, 39,653.12 and 8,901.12 is: 13,353.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,432.72 : 39,653.12 = 8,901.12 : x
  2. Step 2: Convert to fraction form
    26,432.72/39,653.12 = 8,901.12/x
  3. Step 3: Cross multiply
    26,432.72x = 39,653.12 × 8,901.12
  4. Step 4: Simplify right side
    26,432.72x = 352,957,179.49
  5. Step 5: Solve for x
    x = 352,957,179.49/26,432.72
  6. Step 6: Final answer
    x = 13,353.04

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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.