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Finding the Fourth Proportional to 60,019.88, 90,049.26 and 28,851.08

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Solution

The fourth proportional to 60,019.88, 90,049.26 and 28,851.08 is: 43,285.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,019.88 : 90,049.26 = 28,851.08 : x
  2. Step 2: Convert to fraction form
    60,019.88/90,049.26 = 28,851.08/x
  3. Step 3: Cross multiply
    60,019.88x = 90,049.26 × 28,851.08
  4. Step 4: Simplify right side
    60,019.88x = 2,598,018,404.20
  5. Step 5: Solve for x
    x = 2,598,018,404.20/60,019.88
  6. Step 6: Final answer
    x = 43,285.96

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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.