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Finding the Fourth Proportional to 8,368.80, 11,549.31 and 5,010.97

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Solution

The fourth proportional to 8,368.80, 11,549.31 and 5,010.97 is: 6,915.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,368.80 : 11,549.31 = 5,010.97 : x
  2. Step 2: Convert to fraction form
    8,368.80/11,549.31 = 5,010.97/x
  3. Step 3: Cross multiply
    8,368.80x = 11,549.31 × 5,010.97
  4. Step 4: Simplify right side
    8,368.80x = 57,873,252.88
  5. Step 5: Solve for x
    x = 57,873,252.88/8,368.80
  6. Step 6: Final answer
    x = 6,915.36

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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.