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Finding the Fourth Proportional to 29,339.00, 40,487.84 and 15,910.25

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Solution

The fourth proportional to 29,339.00, 40,487.84 and 15,910.25 is: 21,956.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,339.00 : 40,487.84 = 15,910.25 : x
  2. Step 2: Convert to fraction form
    29,339.00/40,487.84 = 15,910.25/x
  3. Step 3: Cross multiply
    29,339.00x = 40,487.84 × 15,910.25
  4. Step 4: Simplify right side
    29,339.00x = 644,171,585.86
  5. Step 5: Solve for x
    x = 644,171,585.86/29,339.00
  6. Step 6: Final answer
    x = 21,956.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.