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Finding the Fourth Proportional to 3,454.93, 4,767.63 and 1,962.65

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Solution

The fourth proportional to 3,454.93, 4,767.63 and 1,962.65 is: 2,708.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,454.93 : 4,767.63 = 1,962.65 : x
  2. Step 2: Convert to fraction form
    3,454.93/4,767.63 = 1,962.65/x
  3. Step 3: Cross multiply
    3,454.93x = 4,767.63 × 1,962.65
  4. Step 4: Simplify right side
    3,454.93x = 9,357,189.02
  5. Step 5: Solve for x
    x = 9,357,189.02/3,454.93
  6. Step 6: Final answer
    x = 2,708.36

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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.