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Finding the Fourth Proportional to 60,101.06, 90,157.59 and 20,652.98

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Solution

The fourth proportional to 60,101.06, 90,157.59 and 20,652.98 is: 30,981.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,101.06 : 90,157.59 = 20,652.98 : x
  2. Step 2: Convert to fraction form
    60,101.06/90,157.59 = 20,652.98/x
  3. Step 3: Cross multiply
    60,101.06x = 90,157.59 × 20,652.98
  4. Step 4: Simplify right side
    60,101.06x = 1,862,022,452.33
  5. Step 5: Solve for x
    x = 1,862,022,452.33/60,101.06
  6. Step 6: Final answer
    x = 30,981.53

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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.