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Finding the Fourth Proportional to 40,101.40, 60,152.10 and 27,659.80

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Solution

The fourth proportional to 40,101.40, 60,152.10 and 27,659.80 is: 41,489.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,101.40 : 60,152.10 = 27,659.80 : x
  2. Step 2: Convert to fraction form
    40,101.40/60,152.10 = 27,659.80/x
  3. Step 3: Cross multiply
    40,101.40x = 60,152.10 × 27,659.80
  4. Step 4: Simplify right side
    40,101.40x = 1,663,795,055.58
  5. Step 5: Solve for x
    x = 1,663,795,055.58/40,101.40
  6. Step 6: Final answer
    x = 41,489.70

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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.