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Finding the Fourth Proportional to 8,964.93, 13,437.32 and 4,351.17

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Solution

The fourth proportional to 8,964.93, 13,437.32 and 4,351.17 is: 6,521.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,964.93 : 13,437.32 = 4,351.17 : x
  2. Step 2: Convert to fraction form
    8,964.93/13,437.32 = 4,351.17/x
  3. Step 3: Cross multiply
    8,964.93x = 13,437.32 × 4,351.17
  4. Step 4: Simplify right side
    8,964.93x = 58,468,041.91
  5. Step 5: Solve for x
    x = 58,468,041.91/8,964.93
  6. Step 6: Final answer
    x = 6,521.86

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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.