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Finding the Fourth Proportional to 8,710.48, 13,066.80 and 2,869.12

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Solution

The fourth proportional to 8,710.48, 13,066.80 and 2,869.12 is: 4,304.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,710.48 : 13,066.80 = 2,869.12 : x
  2. Step 2: Convert to fraction form
    8,710.48/13,066.80 = 2,869.12/x
  3. Step 3: Cross multiply
    8,710.48x = 13,066.80 × 2,869.12
  4. Step 4: Simplify right side
    8,710.48x = 37,490,217.22
  5. Step 5: Solve for x
    x = 37,490,217.22/8,710.48
  6. Step 6: Final answer
    x = 4,304.04

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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.