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Finding the Fourth Proportional to 12,562.36, 17,332.52 and 8,088.69

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Solution

The fourth proportional to 12,562.36, 17,332.52 and 8,088.69 is: 11,160.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,562.36 : 17,332.52 = 8,088.69 : x
  2. Step 2: Convert to fraction form
    12,562.36/17,332.52 = 8,088.69/x
  3. Step 3: Cross multiply
    12,562.36x = 17,332.52 × 8,088.69
  4. Step 4: Simplify right side
    12,562.36x = 140,197,405.75
  5. Step 5: Solve for x
    x = 140,197,405.75/12,562.36
  6. Step 6: Final answer
    x = 11,160.12

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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.