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Finding the Fourth Proportional to 4,161.65, 5,742.65 and 2,482.70

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Solution

The fourth proportional to 4,161.65, 5,742.65 and 2,482.70 is: 3,425.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,161.65 : 5,742.65 = 2,482.70 : x
  2. Step 2: Convert to fraction form
    4,161.65/5,742.65 = 2,482.70/x
  3. Step 3: Cross multiply
    4,161.65x = 5,742.65 × 2,482.70
  4. Step 4: Simplify right side
    4,161.65x = 14,257,254.65
  5. Step 5: Solve for x
    x = 14,257,254.65/4,161.65
  6. Step 6: Final answer
    x = 3,425.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.