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Finding the Fourth Proportional to 35,042.49, 48,101.38 and 30,974.67

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Solution

The fourth proportional to 35,042.49, 48,101.38 and 30,974.67 is: 42,517.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,042.49 : 48,101.38 = 30,974.67 : x
  2. Step 2: Convert to fraction form
    35,042.49/48,101.38 = 30,974.67/x
  3. Step 3: Cross multiply
    35,042.49x = 48,101.38 × 30,974.67
  4. Step 4: Simplify right side
    35,042.49x = 1,489,924,294.61
  5. Step 5: Solve for x
    x = 1,489,924,294.61/35,042.49
  6. Step 6: Final answer
    x = 42,517.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.