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Finding the Fourth Proportional to 17,565.88, 26,356.92 and 8,807.08

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Solution

The fourth proportional to 17,565.88, 26,356.92 and 8,807.08 is: 13,214.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,565.88 : 26,356.92 = 8,807.08 : x
  2. Step 2: Convert to fraction form
    17,565.88/26,356.92 = 8,807.08/x
  3. Step 3: Cross multiply
    17,565.88x = 26,356.92 × 8,807.08
  4. Step 4: Simplify right side
    17,565.88x = 232,127,502.99
  5. Step 5: Solve for x
    x = 232,127,502.99/17,565.88
  6. Step 6: Final answer
    x = 13,214.68

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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.