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Finding the Fourth Proportional to 6,663.52, 9,995.25 and 6,257.54

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Solution

The fourth proportional to 6,663.52, 9,995.25 and 6,257.54 is: 9,386.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,663.52 : 9,995.25 = 6,257.54 : x
  2. Step 2: Convert to fraction form
    6,663.52/9,995.25 = 6,257.54/x
  3. Step 3: Cross multiply
    6,663.52x = 9,995.25 × 6,257.54
  4. Step 4: Simplify right side
    6,663.52x = 62,545,626.71
  5. Step 5: Solve for x
    x = 62,545,626.71/6,663.52
  6. Step 6: Final answer
    x = 9,386.28

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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.