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Finding the Fourth Proportional to 21,545.57, 32,326.46 and 7,506.65

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Solution

The fourth proportional to 21,545.57, 32,326.46 and 7,506.65 is: 11,262.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,545.57 : 32,326.46 = 7,506.65 : x
  2. Step 2: Convert to fraction form
    21,545.57/32,326.46 = 7,506.65/x
  3. Step 3: Cross multiply
    21,545.57x = 32,326.46 × 7,506.65
  4. Step 4: Simplify right side
    21,545.57x = 242,663,420.96
  5. Step 5: Solve for x
    x = 242,663,420.96/21,545.57
  6. Step 6: Final answer
    x = 11,262.80

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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.