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Finding the Fourth Proportional to 2,615.95, 3,605.04 and 2,567.92

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Solution

The fourth proportional to 2,615.95, 3,605.04 and 2,567.92 is: 3,538.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,615.95 : 3,605.04 = 2,567.92 : x
  2. Step 2: Convert to fraction form
    2,615.95/3,605.04 = 2,567.92/x
  3. Step 3: Cross multiply
    2,615.95x = 3,605.04 × 2,567.92
  4. Step 4: Simplify right side
    2,615.95x = 9,257,454.32
  5. Step 5: Solve for x
    x = 9,257,454.32/2,615.95
  6. Step 6: Final answer
    x = 3,538.85

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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.