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Finding the Fourth Proportional to 12,582.60, 17,333.99 and 8,798.69

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Solution

The fourth proportional to 12,582.60, 17,333.99 and 8,798.69 is: 12,121.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,582.60 : 17,333.99 = 8,798.69 : x
  2. Step 2: Convert to fraction form
    12,582.60/17,333.99 = 8,798.69/x
  3. Step 3: Cross multiply
    12,582.60x = 17,333.99 × 8,798.69
  4. Step 4: Simplify right side
    12,582.60x = 152,516,404.47
  5. Step 5: Solve for x
    x = 152,516,404.47/12,582.60
  6. Step 6: Final answer
    x = 12,121.22

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.