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Finding the Fourth Proportional to 24,369.60, 36,551.70 and 19,979.40

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Solution

The fourth proportional to 24,369.60, 36,551.70 and 19,979.40 is: 29,966.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,369.60 : 36,551.70 = 19,979.40 : x
  2. Step 2: Convert to fraction form
    24,369.60/36,551.70 = 19,979.40/x
  3. Step 3: Cross multiply
    24,369.60x = 36,551.70 × 19,979.40
  4. Step 4: Simplify right side
    24,369.60x = 730,281,034.98
  5. Step 5: Solve for x
    x = 730,281,034.98/24,369.60
  6. Step 6: Final answer
    x = 29,966.89

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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.