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Finding the Fourth Proportional to 60,524.11, 90,800.75 and 18,971.11

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Solution

The fourth proportional to 60,524.11, 90,800.75 and 18,971.11 is: 28,461.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,524.11 : 90,800.75 = 18,971.11 : x
  2. Step 2: Convert to fraction form
    60,524.11/90,800.75 = 18,971.11/x
  3. Step 3: Cross multiply
    60,524.11x = 90,800.75 × 18,971.11
  4. Step 4: Simplify right side
    60,524.11x = 1,722,591,034.98
  5. Step 5: Solve for x
    x = 1,722,591,034.98/60,524.11
  6. Step 6: Final answer
    x = 28,461.24

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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.