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Finding the Fourth Proportional to 8,754.64, 13,125.16 and 5,974.48

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Solution

The fourth proportional to 8,754.64, 13,125.16 and 5,974.48 is: 8,957.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,754.64 : 13,125.16 = 5,974.48 : x
  2. Step 2: Convert to fraction form
    8,754.64/13,125.16 = 5,974.48/x
  3. Step 3: Cross multiply
    8,754.64x = 13,125.16 × 5,974.48
  4. Step 4: Simplify right side
    8,754.64x = 78,416,005.92
  5. Step 5: Solve for x
    x = 78,416,005.92/8,754.64
  6. Step 6: Final answer
    x = 8,957.08

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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.