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Finding the Fourth Proportional to 3,701.66, 5,555.43 and 1,947.68

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Solution

The fourth proportional to 3,701.66, 5,555.43 and 1,947.68 is: 2,923.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,701.66 : 5,555.43 = 1,947.68 : x
  2. Step 2: Convert to fraction form
    3,701.66/5,555.43 = 1,947.68/x
  3. Step 3: Cross multiply
    3,701.66x = 5,555.43 × 1,947.68
  4. Step 4: Simplify right side
    3,701.66x = 10,820,192.96
  5. Step 5: Solve for x
    x = 10,820,192.96/3,701.66
  6. Step 6: Final answer
    x = 2,923.07

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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.