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Finding the Fourth Proportional to 7,269.53, 10,009.73 and 5,479.61

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Solution

The fourth proportional to 7,269.53, 10,009.73 and 5,479.61 is: 7,545.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,269.53 : 10,009.73 = 5,479.61 : x
  2. Step 2: Convert to fraction form
    7,269.53/10,009.73 = 5,479.61/x
  3. Step 3: Cross multiply
    7,269.53x = 10,009.73 × 5,479.61
  4. Step 4: Simplify right side
    7,269.53x = 54,849,380.26
  5. Step 5: Solve for x
    x = 54,849,380.26/7,269.53
  6. Step 6: Final answer
    x = 7,545.11

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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.