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Finding the Fourth Proportional to 8,593.32, 11,848.50 and 7,179.06

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Solution

The fourth proportional to 8,593.32, 11,848.50 and 7,179.06 is: 9,898.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,593.32 : 11,848.50 = 7,179.06 : x
  2. Step 2: Convert to fraction form
    8,593.32/11,848.50 = 7,179.06/x
  3. Step 3: Cross multiply
    8,593.32x = 11,848.50 × 7,179.06
  4. Step 4: Simplify right side
    8,593.32x = 85,061,092.41
  5. Step 5: Solve for x
    x = 85,061,092.41/8,593.32
  6. Step 6: Final answer
    x = 9,898.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.