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Finding the Fourth Proportional to 2,710.67, 4,069.24 and 1,615.55

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Solution

The fourth proportional to 2,710.67, 4,069.24 and 1,615.55 is: 2,425.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,710.67 : 4,069.24 = 1,615.55 : x
  2. Step 2: Convert to fraction form
    2,710.67/4,069.24 = 1,615.55/x
  3. Step 3: Cross multiply
    2,710.67x = 4,069.24 × 1,615.55
  4. Step 4: Simplify right side
    2,710.67x = 6,574,060.68
  5. Step 5: Solve for x
    x = 6,574,060.68/2,710.67
  6. Step 6: Final answer
    x = 2,425.25

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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.