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Finding the Fourth Proportional to 25,901.44, 38,860.38 and 9,261.12

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Solution

The fourth proportional to 25,901.44, 38,860.38 and 9,261.12 is: 13,894.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,901.44 : 38,860.38 = 9,261.12 : x
  2. Step 2: Convert to fraction form
    25,901.44/38,860.38 = 9,261.12/x
  3. Step 3: Cross multiply
    25,901.44x = 38,860.38 × 9,261.12
  4. Step 4: Simplify right side
    25,901.44x = 359,890,642.43
  5. Step 5: Solve for x
    x = 359,890,642.43/25,901.44
  6. Step 6: Final answer
    x = 13,894.62

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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.