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Finding the Fourth Proportional to 15,132.70, 22,699.06 and 4,039.42

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Solution

The fourth proportional to 15,132.70, 22,699.06 and 4,039.42 is: 6,059.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,132.70 : 22,699.06 = 4,039.42 : x
  2. Step 2: Convert to fraction form
    15,132.70/22,699.06 = 4,039.42/x
  3. Step 3: Cross multiply
    15,132.70x = 22,699.06 × 4,039.42
  4. Step 4: Simplify right side
    15,132.70x = 91,691,036.95
  5. Step 5: Solve for x
    x = 91,691,036.95/15,132.70
  6. Step 6: Final answer
    x = 6,059.13

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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.