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Finding the Fourth Proportional to 3,776.66, 5,660.33 and 2,740.22

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Solution

The fourth proportional to 3,776.66, 5,660.33 and 2,740.22 is: 4,106.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,776.66 : 5,660.33 = 2,740.22 : x
  2. Step 2: Convert to fraction form
    3,776.66/5,660.33 = 2,740.22/x
  3. Step 3: Cross multiply
    3,776.66x = 5,660.33 × 2,740.22
  4. Step 4: Simplify right side
    3,776.66x = 15,510,549.47
  5. Step 5: Solve for x
    x = 15,510,549.47/3,776.66
  6. Step 6: Final answer
    x = 4,106.95

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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.