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Finding the Fourth Proportional to 25,907.31, 38,860.97 and 9,266.34

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Solution

The fourth proportional to 25,907.31, 38,860.97 and 9,266.34 is: 13,899.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,907.31 : 38,860.97 = 9,266.34 : x
  2. Step 2: Convert to fraction form
    25,907.31/38,860.97 = 9,266.34/x
  3. Step 3: Cross multiply
    25,907.31x = 38,860.97 × 9,266.34
  4. Step 4: Simplify right side
    25,907.31x = 360,098,914.42
  5. Step 5: Solve for x
    x = 360,098,914.42/25,907.31
  6. Step 6: Final answer
    x = 13,899.51

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Similar ratio
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1.5x scale

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.