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Finding the Fourth Proportional to 7,030.08, 10,545.12 and 2,651.22

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Solution

The fourth proportional to 7,030.08, 10,545.12 and 2,651.22 is: 3,976.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,030.08 : 10,545.12 = 2,651.22 : x
  2. Step 2: Convert to fraction form
    7,030.08/10,545.12 = 2,651.22/x
  3. Step 3: Cross multiply
    7,030.08x = 10,545.12 × 2,651.22
  4. Step 4: Simplify right side
    7,030.08x = 27,957,433.05
  5. Step 5: Solve for x
    x = 27,957,433.05/7,030.08
  6. Step 6: Final answer
    x = 3,976.83

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Double scale
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Similar ratio
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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.