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Finding the Fourth Proportional to 60,552.38, 90,843.15 and 18,999.38

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Solution

The fourth proportional to 60,552.38, 90,843.15 and 18,999.38 is: 28,503.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,552.38 : 90,843.15 = 18,999.38 : x
  2. Step 2: Convert to fraction form
    60,552.38/90,843.15 = 18,999.38/x
  3. Step 3: Cross multiply
    60,552.38x = 90,843.15 × 18,999.38
  4. Step 4: Simplify right side
    60,552.38x = 1,725,963,073.03
  5. Step 5: Solve for x
    x = 1,725,963,073.03/60,552.38
  6. Step 6: Final answer
    x = 28,503.64

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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.