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Finding the Fourth Proportional to 60,397.68, 90,626.63 and 27,141.51

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Solution

The fourth proportional to 60,397.68, 90,626.63 and 27,141.51 is: 40,725.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,397.68 : 90,626.63 = 27,141.51 : x
  2. Step 2: Convert to fraction form
    60,397.68/90,626.63 = 27,141.51/x
  3. Step 3: Cross multiply
    60,397.68x = 90,626.63 × 27,141.51
  4. Step 4: Simplify right side
    60,397.68x = 2,459,743,448.70
  5. Step 5: Solve for x
    x = 2,459,743,448.70/60,397.68
  6. Step 6: Final answer
    x = 40,725.79

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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.