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Finding the Fourth Proportional to 8,881.47, 13,311.03 and 4,711.17

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Solution

The fourth proportional to 8,881.47, 13,311.03 and 4,711.17 is: 7,060.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,881.47 : 13,311.03 = 4,711.17 : x
  2. Step 2: Convert to fraction form
    8,881.47/13,311.03 = 4,711.17/x
  3. Step 3: Cross multiply
    8,881.47x = 13,311.03 × 4,711.17
  4. Step 4: Simplify right side
    8,881.47x = 62,710,525.21
  5. Step 5: Solve for x
    x = 62,710,525.21/8,881.47
  6. Step 6: Final answer
    x = 7,060.83

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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.