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Finding the Fourth Proportional to 24,078.60, 36,117.90 and 16,691.40

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Solution

The fourth proportional to 24,078.60, 36,117.90 and 16,691.40 is: 25,037.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,078.60 : 36,117.90 = 16,691.40 : x
  2. Step 2: Convert to fraction form
    24,078.60/36,117.90 = 16,691.40/x
  3. Step 3: Cross multiply
    24,078.60x = 36,117.90 × 16,691.40
  4. Step 4: Simplify right side
    24,078.60x = 602,858,316.06
  5. Step 5: Solve for x
    x = 602,858,316.06/24,078.60
  6. Step 6: Final answer
    x = 25,037.10

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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.