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Finding the Fourth Proportional to 8,695.95, 13,041.18 and 2,851.19

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Solution

The fourth proportional to 8,695.95, 13,041.18 and 2,851.19 is: 4,275.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,695.95 : 13,041.18 = 2,851.19 : x
  2. Step 2: Convert to fraction form
    8,695.95/13,041.18 = 2,851.19/x
  3. Step 3: Cross multiply
    8,695.95x = 13,041.18 × 2,851.19
  4. Step 4: Simplify right side
    8,695.95x = 37,182,882.00
  5. Step 5: Solve for x
    x = 37,182,882.00/8,695.95
  6. Step 6: Final answer
    x = 4,275.88

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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.