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Finding the Fourth Proportional to 7,424.52, 10,250.61 and 6,626.46

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Solution

The fourth proportional to 7,424.52, 10,250.61 and 6,626.46 is: 9,148.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,424.52 : 10,250.61 = 6,626.46 : x
  2. Step 2: Convert to fraction form
    7,424.52/10,250.61 = 6,626.46/x
  3. Step 3: Cross multiply
    7,424.52x = 10,250.61 × 6,626.46
  4. Step 4: Simplify right side
    7,424.52x = 67,925,257.14
  5. Step 5: Solve for x
    x = 67,925,257.14/7,424.52
  6. Step 6: Final answer
    x = 9,148.77

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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.