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Finding the Fourth Proportional to 21,545.92, 32,324.08 and 7,503.88

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Solution

The fourth proportional to 21,545.92, 32,324.08 and 7,503.88 is: 11,257.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,545.92 : 32,324.08 = 7,503.88 : x
  2. Step 2: Convert to fraction form
    21,545.92/32,324.08 = 7,503.88/x
  3. Step 3: Cross multiply
    21,545.92x = 32,324.08 × 7,503.88
  4. Step 4: Simplify right side
    21,545.92x = 242,556,017.43
  5. Step 5: Solve for x
    x = 242,556,017.43/21,545.92
  6. Step 6: Final answer
    x = 11,257.63

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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.