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Finding the Fourth Proportional to 29,346.80, 40,497.84 and 16,425.89

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Solution

The fourth proportional to 29,346.80, 40,497.84 and 16,425.89 is: 22,667.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,346.80 : 40,497.84 = 16,425.89 : x
  2. Step 2: Convert to fraction form
    29,346.80/40,497.84 = 16,425.89/x
  3. Step 3: Cross multiply
    29,346.80x = 40,497.84 × 16,425.89
  4. Step 4: Simplify right side
    29,346.80x = 665,212,862.59
  5. Step 5: Solve for x
    x = 665,212,862.59/29,346.80
  6. Step 6: Final answer
    x = 22,667.30

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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.