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Finding the Fourth Proportional to 60,113.28, 82,951.68 and 36,240

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Solution

The fourth proportional to 60,113.28, 82,951.68 and 36,240 is: 50,008.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,113.28 : 82,951.68 = 36,240 : x
  2. Step 2: Convert to fraction form
    60,113.28/82,951.68 = 36,240/x
  3. Step 3: Cross multiply
    60,113.28x = 82,951.68 × 36,240
  4. Step 4: Simplify right side
    60,113.28x = 3,006,168,883.20
  5. Step 5: Solve for x
    x = 3,006,168,883.20/60,113.28
  6. Step 6: Final answer
    x = 50,008.40

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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.