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Finding the Fourth Proportional to 3,687.61, 5,526.56 and 1,495.15

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Solution

The fourth proportional to 3,687.61, 5,526.56 and 1,495.15 is: 2,240.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,687.61 : 5,526.56 = 1,495.15 : x
  2. Step 2: Convert to fraction form
    3,687.61/5,526.56 = 1,495.15/x
  3. Step 3: Cross multiply
    3,687.61x = 5,526.56 × 1,495.15
  4. Step 4: Simplify right side
    3,687.61x = 8,263,036.18
  5. Step 5: Solve for x
    x = 8,263,036.18/3,687.61
  6. Step 6: Final answer
    x = 2,240.76

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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.