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Finding the Fourth Proportional to 60,648.66, 90,990.59 and 25,103.43

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Solution

The fourth proportional to 60,648.66, 90,990.59 and 25,103.43 is: 37,662.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,648.66 : 90,990.59 = 25,103.43 : x
  2. Step 2: Convert to fraction form
    60,648.66/90,990.59 = 25,103.43/x
  3. Step 3: Cross multiply
    60,648.66x = 90,990.59 × 25,103.43
  4. Step 4: Simplify right side
    60,648.66x = 2,284,175,781.21
  5. Step 5: Solve for x
    x = 2,284,175,781.21/60,648.66
  6. Step 6: Final answer
    x = 37,662.43

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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.