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Finding the Fourth Proportional to 29,650.86, 40,909.86 and 17,717.13

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Solution

The fourth proportional to 29,650.86, 40,909.86 and 17,717.13 is: 24,444.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,650.86 : 40,909.86 = 17,717.13 : x
  2. Step 2: Convert to fraction form
    29,650.86/40,909.86 = 17,717.13/x
  3. Step 3: Cross multiply
    29,650.86x = 40,909.86 × 17,717.13
  4. Step 4: Simplify right side
    29,650.86x = 724,805,307.90
  5. Step 5: Solve for x
    x = 724,805,307.90/29,650.86
  6. Step 6: Final answer
    x = 24,444.66

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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.