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Finding the Fourth Proportional to 8,613.60, 12,926.88 and 5,833.68

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Solution

The fourth proportional to 8,613.60, 12,926.88 and 5,833.68 is: 8,754.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,613.60 : 12,926.88 = 5,833.68 : x
  2. Step 2: Convert to fraction form
    8,613.60/12,926.88 = 5,833.68/x
  3. Step 3: Cross multiply
    8,613.60x = 12,926.88 × 5,833.68
  4. Step 4: Simplify right side
    8,613.60x = 75,411,281.32
  5. Step 5: Solve for x
    x = 75,411,281.32/8,613.60
  6. Step 6: Final answer
    x = 8,754.91

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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.