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Finding the Fourth Proportional to 5,009.92, 7,515.95 and 1,500.20

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Solution

The fourth proportional to 5,009.92, 7,515.95 and 1,500.20 is: 2,250.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,009.92 : 7,515.95 = 1,500.20 : x
  2. Step 2: Convert to fraction form
    5,009.92/7,515.95 = 1,500.20/x
  3. Step 3: Cross multiply
    5,009.92x = 7,515.95 × 1,500.20
  4. Step 4: Simplify right side
    5,009.92x = 11,275,428.19
  5. Step 5: Solve for x
    x = 11,275,428.19/5,009.92
  6. Step 6: Final answer
    x = 2,250.62

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1.5x scale

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.