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Finding the Fourth Proportional to 8,981.57, 13,473.17 and 4,303.82

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Solution

The fourth proportional to 8,981.57, 13,473.17 and 4,303.82 is: 6,456.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,981.57 : 13,473.17 = 4,303.82 : x
  2. Step 2: Convert to fraction form
    8,981.57/13,473.17 = 4,303.82/x
  3. Step 3: Cross multiply
    8,981.57x = 13,473.17 × 4,303.82
  4. Step 4: Simplify right side
    8,981.57x = 57,986,009.62
  5. Step 5: Solve for x
    x = 57,986,009.62/8,981.57
  6. Step 6: Final answer
    x = 6,456.11

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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.