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Finding the Fourth Proportional to 15,040.02, 20,752.17 and 8,325.17

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Solution

The fourth proportional to 15,040.02, 20,752.17 and 8,325.17 is: 11,487.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,040.02 : 20,752.17 = 8,325.17 : x
  2. Step 2: Convert to fraction form
    15,040.02/20,752.17 = 8,325.17/x
  3. Step 3: Cross multiply
    15,040.02x = 20,752.17 × 8,325.17
  4. Step 4: Simplify right side
    15,040.02x = 172,765,395.00
  5. Step 5: Solve for x
    x = 172,765,395.00/15,040.02
  6. Step 6: Final answer
    x = 11,487.05

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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.