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Finding the Fourth Proportional to 8,693.59, 13,042.66 and 3,762.08

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Solution

The fourth proportional to 8,693.59, 13,042.66 and 3,762.08 is: 5,644.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,693.59 : 13,042.66 = 3,762.08 : x
  2. Step 2: Convert to fraction form
    8,693.59/13,042.66 = 3,762.08/x
  3. Step 3: Cross multiply
    8,693.59x = 13,042.66 × 3,762.08
  4. Step 4: Simplify right side
    8,693.59x = 49,067,465.12
  5. Step 5: Solve for x
    x = 49,067,465.12/8,693.59
  6. Step 6: Final answer
    x = 5,644.10

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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.