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Finding the Fourth Proportional to 8,881.63, 12,255.25 and 5,104.06

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Solution

The fourth proportional to 8,881.63, 12,255.25 and 5,104.06 is: 7,042.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,881.63 : 12,255.25 = 5,104.06 : x
  2. Step 2: Convert to fraction form
    8,881.63/12,255.25 = 5,104.06/x
  3. Step 3: Cross multiply
    8,881.63x = 12,255.25 × 5,104.06
  4. Step 4: Simplify right side
    8,881.63x = 62,551,505.79
  5. Step 5: Solve for x
    x = 62,551,505.79/8,881.63
  6. Step 6: Final answer
    x = 7,042.80

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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.