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Finding the Fourth Proportional to 17,713.72, 26,547.48 and 8,943.88

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Solution

The fourth proportional to 17,713.72, 26,547.48 and 8,943.88 is: 13,404.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,713.72 : 26,547.48 = 8,943.88 : x
  2. Step 2: Convert to fraction form
    17,713.72/26,547.48 = 8,943.88/x
  3. Step 3: Cross multiply
    17,713.72x = 26,547.48 × 8,943.88
  4. Step 4: Simplify right side
    17,713.72x = 237,437,475.42
  5. Step 5: Solve for x
    x = 237,437,475.42/17,713.72
  6. Step 6: Final answer
    x = 13,404.16

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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.