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Finding the Fourth Proportional to 8,693.11, 13,006.86 and 4,997.08

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Solution

The fourth proportional to 8,693.11, 13,006.86 and 4,997.08 is: 7,476.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,693.11 : 13,006.86 = 4,997.08 : x
  2. Step 2: Convert to fraction form
    8,693.11/13,006.86 = 4,997.08/x
  3. Step 3: Cross multiply
    8,693.11x = 13,006.86 × 4,997.08
  4. Step 4: Simplify right side
    8,693.11x = 64,996,319.97
  5. Step 5: Solve for x
    x = 64,996,319.97/8,693.11
  6. Step 6: Final answer
    x = 7,476.76

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1.5x scale

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.