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Finding the Fourth Proportional to 45,679.82, 68,422.50 and 25,948.22

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Solution

The fourth proportional to 45,679.82, 68,422.50 and 25,948.22 is: 38,867.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,679.82 : 68,422.50 = 25,948.22 : x
  2. Step 2: Convert to fraction form
    45,679.82/68,422.50 = 25,948.22/x
  3. Step 3: Cross multiply
    45,679.82x = 68,422.50 × 25,948.22
  4. Step 4: Simplify right side
    45,679.82x = 1,775,441,740.84
  5. Step 5: Solve for x
    x = 1,775,441,740.84/45,679.82
  6. Step 6: Final answer
    x = 38,867.10

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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.