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Finding the Fourth Proportional to 8,878.01, 13,315.49 and 3,254.58

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Solution

The fourth proportional to 8,878.01, 13,315.49 and 3,254.58 is: 4,881.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,878.01 : 13,315.49 = 3,254.58 : x
  2. Step 2: Convert to fraction form
    8,878.01/13,315.49 = 3,254.58/x
  3. Step 3: Cross multiply
    8,878.01x = 13,315.49 × 3,254.58
  4. Step 4: Simplify right side
    8,878.01x = 43,336,323.38
  5. Step 5: Solve for x
    x = 43,336,323.38/8,878.01
  6. Step 6: Final answer
    x = 4,881.31

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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.