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Finding the Fourth Proportional to 38,117.92, 57,172.62 and 10,040.62

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Solution

The fourth proportional to 38,117.92, 57,172.62 and 10,040.62 is: 15,059.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,117.92 : 57,172.62 = 10,040.62 : x
  2. Step 2: Convert to fraction form
    38,117.92/57,172.62 = 10,040.62/x
  3. Step 3: Cross multiply
    38,117.92x = 57,172.62 × 10,040.62
  4. Step 4: Simplify right side
    38,117.92x = 574,048,551.82
  5. Step 5: Solve for x
    x = 574,048,551.82/38,117.92
  6. Step 6: Final answer
    x = 15,059.81

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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.