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Finding the Fourth Proportional to 3,624.87, 5,001.87 and 2,031.60

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Solution

The fourth proportional to 3,624.87, 5,001.87 and 2,031.60 is: 2,803.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,624.87 : 5,001.87 = 2,031.60 : x
  2. Step 2: Convert to fraction form
    3,624.87/5,001.87 = 2,031.60/x
  3. Step 3: Cross multiply
    3,624.87x = 5,001.87 × 2,031.60
  4. Step 4: Simplify right side
    3,624.87x = 10,161,799.09
  5. Step 5: Solve for x
    x = 10,161,799.09/3,624.87
  6. Step 6: Final answer
    x = 2,803.36

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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.