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Finding the Fourth Proportional to 7,557.98, 11,292.21 and 7,299.59

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Solution

The fourth proportional to 7,557.98, 11,292.21 and 7,299.59 is: 10,906.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,557.98 : 11,292.21 = 7,299.59 : x
  2. Step 2: Convert to fraction form
    7,557.98/11,292.21 = 7,299.59/x
  3. Step 3: Cross multiply
    7,557.98x = 11,292.21 × 7,299.59
  4. Step 4: Simplify right side
    7,557.98x = 82,428,446.73
  5. Step 5: Solve for x
    x = 82,428,446.73/7,557.98
  6. Step 6: Final answer
    x = 10,906.15

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Half scale
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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 (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.