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Finding the Fourth Proportional to 7,048.71, 10,545.71 and 4,850.78

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Solution

The fourth proportional to 7,048.71, 10,545.71 and 4,850.78 is: 7,257.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,048.71 : 10,545.71 = 4,850.78 : x
  2. Step 2: Convert to fraction form
    7,048.71/10,545.71 = 4,850.78/x
  3. Step 3: Cross multiply
    7,048.71x = 10,545.71 × 4,850.78
  4. Step 4: Simplify right side
    7,048.71x = 51,154,842.17
  5. Step 5: Solve for x
    x = 51,154,842.17/7,048.71
  6. Step 6: Final answer
    x = 7,257.33

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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.