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Finding the Fourth Proportional to 7,242.99, 10,843.35 and 4,461.31

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Solution

The fourth proportional to 7,242.99, 10,843.35 and 4,461.31 is: 6,678.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,242.99 : 10,843.35 = 4,461.31 : x
  2. Step 2: Convert to fraction form
    7,242.99/10,843.35 = 4,461.31/x
  3. Step 3: Cross multiply
    7,242.99x = 10,843.35 × 4,461.31
  4. Step 4: Simplify right side
    7,242.99x = 48,375,545.79
  5. Step 5: Solve for x
    x = 48,375,545.79/7,242.99
  6. Step 6: Final answer
    x = 6,678.95

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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.