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Finding the Fourth Proportional to 30,258.98, 45,354.84 and 22,839.38

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Solution

The fourth proportional to 30,258.98, 45,354.84 and 22,839.38 is: 34,233.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,258.98 : 45,354.84 = 22,839.38 : x
  2. Step 2: Convert to fraction form
    30,258.98/45,354.84 = 22,839.38/x
  3. Step 3: Cross multiply
    30,258.98x = 45,354.84 × 22,839.38
  4. Step 4: Simplify right side
    30,258.98x = 1,035,876,425.60
  5. Step 5: Solve for x
    x = 1,035,876,425.60/30,258.98
  6. Step 6: Final answer
    x = 34,233.69

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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.