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Finding the Fourth Proportional to 9,162.79, 13,713.03 and 5,655.02

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Solution

The fourth proportional to 9,162.79, 13,713.03 and 5,655.02 is: 8,463.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,162.79 : 13,713.03 = 5,655.02 : x
  2. Step 2: Convert to fraction form
    9,162.79/13,713.03 = 5,655.02/x
  3. Step 3: Cross multiply
    9,162.79x = 13,713.03 × 5,655.02
  4. Step 4: Simplify right side
    9,162.79x = 77,547,390.35
  5. Step 5: Solve for x
    x = 77,547,390.35/9,162.79
  6. Step 6: Final answer
    x = 8,463.30

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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.