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Finding the Fourth Proportional to 60,741.32, 91,107.12 and 27,017.78

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Solution

The fourth proportional to 60,741.32, 91,107.12 and 27,017.78 is: 40,524.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,741.32 : 91,107.12 = 27,017.78 : x
  2. Step 2: Convert to fraction form
    60,741.32/91,107.12 = 27,017.78/x
  3. Step 3: Cross multiply
    60,741.32x = 91,107.12 × 27,017.78
  4. Step 4: Simplify right side
    60,741.32x = 2,461,512,124.59
  5. Step 5: Solve for x
    x = 2,461,512,124.59/60,741.32
  6. Step 6: Final answer
    x = 40,524.51

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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.