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Finding the Fourth Proportional to 3,606.54, 4,974.14 and 2,487.22

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Solution

The fourth proportional to 3,606.54, 4,974.14 and 2,487.22 is: 3,430.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,606.54 : 4,974.14 = 2,487.22 : x
  2. Step 2: Convert to fraction form
    3,606.54/4,974.14 = 2,487.22/x
  3. Step 3: Cross multiply
    3,606.54x = 4,974.14 × 2,487.22
  4. Step 4: Simplify right side
    3,606.54x = 12,371,780.49
  5. Step 5: Solve for x
    x = 12,371,780.49/3,606.54
  6. Step 6: Final answer
    x = 3,430.37

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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.