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Finding the Fourth Proportional to 29,425.96, 40,603.20 and 17,488.96

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Solution

The fourth proportional to 29,425.96, 40,603.20 and 17,488.96 is: 24,132.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,425.96 : 40,603.20 = 17,488.96 : x
  2. Step 2: Convert to fraction form
    29,425.96/40,603.20 = 17,488.96/x
  3. Step 3: Cross multiply
    29,425.96x = 40,603.20 × 17,488.96
  4. Step 4: Simplify right side
    29,425.96x = 710,107,740.67
  5. Step 5: Solve for x
    x = 710,107,740.67/29,425.96
  6. Step 6: Final answer
    x = 24,132.02

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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.