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Finding the Fourth Proportional to 60,047.56, 90,073.16 and 20,604.12

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Solution

The fourth proportional to 60,047.56, 90,073.16 and 20,604.12 is: 30,906.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,047.56 : 90,073.16 = 20,604.12 : x
  2. Step 2: Convert to fraction form
    60,047.56/90,073.16 = 20,604.12/x
  3. Step 3: Cross multiply
    60,047.56x = 90,073.16 × 20,604.12
  4. Step 4: Simplify right side
    60,047.56x = 1,855,878,197.42
  5. Step 5: Solve for x
    x = 1,855,878,197.42/60,047.56
  6. Step 6: Final answer
    x = 30,906.80

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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.