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Finding the Fourth Proportional to 24,590.40, 36,878.40 and 8,793.60

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Solution

The fourth proportional to 24,590.40, 36,878.40 and 8,793.60 is: 13,187.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,590.40 : 36,878.40 = 8,793.60 : x
  2. Step 2: Convert to fraction form
    24,590.40/36,878.40 = 8,793.60/x
  3. Step 3: Cross multiply
    24,590.40x = 36,878.40 × 8,793.60
  4. Step 4: Simplify right side
    24,590.40x = 324,293,898.24
  5. Step 5: Solve for x
    x = 324,293,898.24/24,590.40
  6. Step 6: Final answer
    x = 13,187.83

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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.