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Finding the Fourth Proportional to 60,476.60, 90,683.78 and 27,168.08

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Solution

The fourth proportional to 60,476.60, 90,683.78 and 27,168.08 is: 40,738.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,476.60 : 90,683.78 = 27,168.08 : x
  2. Step 2: Convert to fraction form
    60,476.60/90,683.78 = 27,168.08/x
  3. Step 3: Cross multiply
    60,476.60x = 90,683.78 × 27,168.08
  4. Step 4: Simplify right side
    60,476.60x = 2,463,703,600.48
  5. Step 5: Solve for x
    x = 2,463,703,600.48/60,476.60
  6. Step 6: Final answer
    x = 40,738.13

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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.