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Finding the Fourth Proportional to 60,047.12, 90,049.08 and 20,594

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Solution

The fourth proportional to 60,047.12, 90,049.08 and 20,594 is: 30,883.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,047.12 : 90,049.08 = 20,594 : x
  2. Step 2: Convert to fraction form
    60,047.12/90,049.08 = 20,594/x
  3. Step 3: Cross multiply
    60,047.12x = 90,049.08 × 20,594
  4. Step 4: Simplify right side
    60,047.12x = 1,854,470,753.52
  5. Step 5: Solve for x
    x = 1,854,470,753.52/60,047.12
  6. Step 6: Final answer
    x = 30,883.59

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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.