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Finding the Fourth Proportional to 5,507.76, 7,610.76 and 4,013.08

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Solution

The fourth proportional to 5,507.76, 7,610.76 and 4,013.08 is: 5,545.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,507.76 : 7,610.76 = 4,013.08 : x
  2. Step 2: Convert to fraction form
    5,507.76/7,610.76 = 4,013.08/x
  3. Step 3: Cross multiply
    5,507.76x = 7,610.76 × 4,013.08
  4. Step 4: Simplify right side
    5,507.76x = 30,542,569.71
  5. Step 5: Solve for x
    x = 30,542,569.71/5,507.76
  6. Step 6: Final answer
    x = 5,545.37

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Half scale
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Double scale
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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.