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Finding the Fourth Proportional to 9,322.65, 12,863.82 and 5,545.74

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Solution

The fourth proportional to 9,322.65, 12,863.82 and 5,545.74 is: 7,652.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,322.65 : 12,863.82 = 5,545.74 : x
  2. Step 2: Convert to fraction form
    9,322.65/12,863.82 = 5,545.74/x
  3. Step 3: Cross multiply
    9,322.65x = 12,863.82 × 5,545.74
  4. Step 4: Simplify right side
    9,322.65x = 71,339,401.13
  5. Step 5: Solve for x
    x = 71,339,401.13/9,322.65
  6. Step 6: Final answer
    x = 7,652.27

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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.