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Finding the Fourth Proportional to 8,995.59, 13,494.30 and 3,451.53

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Solution

The fourth proportional to 8,995.59, 13,494.30 and 3,451.53 is: 5,177.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,995.59 : 13,494.30 = 3,451.53 : x
  2. Step 2: Convert to fraction form
    8,995.59/13,494.30 = 3,451.53/x
  3. Step 3: Cross multiply
    8,995.59x = 13,494.30 × 3,451.53
  4. Step 4: Simplify right side
    8,995.59x = 46,575,981.28
  5. Step 5: Solve for x
    x = 46,575,981.28/8,995.59
  6. Step 6: Final answer
    x = 5,177.65

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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.