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Finding the Fourth Proportional to 60,351.88, 90,542.45 and 18,798.88

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Solution

The fourth proportional to 60,351.88, 90,542.45 and 18,798.88 is: 28,202.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,351.88 : 90,542.45 = 18,798.88 : x
  2. Step 2: Convert to fraction form
    60,351.88/90,542.45 = 18,798.88/x
  3. Step 3: Cross multiply
    60,351.88x = 90,542.45 × 18,798.88
  4. Step 4: Simplify right side
    60,351.88x = 1,702,096,652.46
  5. Step 5: Solve for x
    x = 1,702,096,652.46/60,351.88
  6. Step 6: Final answer
    x = 28,202.88

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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.