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Finding the Fourth Proportional to 9,964.53, 13,750.50 and 5,487.44

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Solution

The fourth proportional to 9,964.53, 13,750.50 and 5,487.44 is: 7,572.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,964.53 : 13,750.50 = 5,487.44 : x
  2. Step 2: Convert to fraction form
    9,964.53/13,750.50 = 5,487.44/x
  3. Step 3: Cross multiply
    9,964.53x = 13,750.50 × 5,487.44
  4. Step 4: Simplify right side
    9,964.53x = 75,454,974.97
  5. Step 5: Solve for x
    x = 75,454,974.97/9,964.53
  6. Step 6: Final answer
    x = 7,572.36

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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.