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Finding the Fourth Proportional to 2,482.79, 3,425.90 and 2,306.21

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Solution

The fourth proportional to 2,482.79, 3,425.90 and 2,306.21 is: 3,182.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,482.79 : 3,425.90 = 2,306.21 : x
  2. Step 2: Convert to fraction form
    2,482.79/3,425.90 = 2,306.21/x
  3. Step 3: Cross multiply
    2,482.79x = 3,425.90 × 2,306.21
  4. Step 4: Simplify right side
    2,482.79x = 7,900,816.18
  5. Step 5: Solve for x
    x = 7,900,816.18/2,482.79
  6. Step 6: Final answer
    x = 3,182.24

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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.