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Finding the Fourth Proportional to 60,497.88, 90,732 and 18,944.88

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Solution

The fourth proportional to 60,497.88, 90,732 and 18,944.88 is: 28,412.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,497.88 : 90,732 = 18,944.88 : x
  2. Step 2: Convert to fraction form
    60,497.88/90,732 = 18,944.88/x
  3. Step 3: Cross multiply
    60,497.88x = 90,732 × 18,944.88
  4. Step 4: Simplify right side
    60,497.88x = 1,718,906,852.16
  5. Step 5: Solve for x
    x = 1,718,906,852.16/60,497.88
  6. Step 6: Final answer
    x = 28,412.68

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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.