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Finding the Fourth Proportional to 60,219.92, 90,344.86 and 18,100.68

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Solution

The fourth proportional to 60,219.92, 90,344.86 and 18,100.68 is: 27,155.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,219.92 : 90,344.86 = 18,100.68 : x
  2. Step 2: Convert to fraction form
    60,219.92/90,344.86 = 18,100.68/x
  3. Step 3: Cross multiply
    60,219.92x = 90,344.86 × 18,100.68
  4. Step 4: Simplify right side
    60,219.92x = 1,635,303,400.50
  5. Step 5: Solve for x
    x = 1,635,303,400.50/60,219.92
  6. Step 6: Final answer
    x = 27,155.52

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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.