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Finding the Fourth Proportional to 8,878.32, 13,317.48 and 3,034.98

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Solution

The fourth proportional to 8,878.32, 13,317.48 and 3,034.98 is: 4,552.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,878.32 : 13,317.48 = 3,034.98 : x
  2. Step 2: Convert to fraction form
    8,878.32/13,317.48 = 3,034.98/x
  3. Step 3: Cross multiply
    8,878.32x = 13,317.48 × 3,034.98
  4. Step 4: Simplify right side
    8,878.32x = 40,418,285.45
  5. Step 5: Solve for x
    x = 40,418,285.45/8,878.32
  6. Step 6: Final answer
    x = 4,552.47

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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.