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Finding the Fourth Proportional to 70,729.76, 106,107.75 and 23,348.15

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Solution

The fourth proportional to 70,729.76, 106,107.75 and 23,348.15 is: 35,026.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,729.76 : 106,107.75 = 23,348.15 : x
  2. Step 2: Convert to fraction form
    70,729.76/106,107.75 = 23,348.15/x
  3. Step 3: Cross multiply
    70,729.76x = 106,107.75 × 23,348.15
  4. Step 4: Simplify right side
    70,729.76x = 2,477,419,663.16
  5. Step 5: Solve for x
    x = 2,477,419,663.16/70,729.76
  6. Step 6: Final answer
    x = 35,026.55

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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.