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Finding the Fourth Proportional to 60,017.58, 90,082.85 and 30,456.63

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Solution

The fourth proportional to 60,017.58, 90,082.85 and 30,456.63 is: 45,713.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,017.58 : 90,082.85 = 30,456.63 : x
  2. Step 2: Convert to fraction form
    60,017.58/90,082.85 = 30,456.63/x
  3. Step 3: Cross multiply
    60,017.58x = 90,082.85 × 30,456.63
  4. Step 4: Simplify right side
    60,017.58x = 2,743,620,031.80
  5. Step 5: Solve for x
    x = 2,743,620,031.80/60,017.58
  6. Step 6: Final answer
    x = 45,713.61

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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.