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Finding the Fourth Proportional to 70,634.76, 105,951.96 and 23,920.44

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Solution

The fourth proportional to 70,634.76, 105,951.96 and 23,920.44 is: 35,880.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,634.76 : 105,951.96 = 23,920.44 : x
  2. Step 2: Convert to fraction form
    70,634.76/105,951.96 = 23,920.44/x
  3. Step 3: Cross multiply
    70,634.76x = 105,951.96 × 23,920.44
  4. Step 4: Simplify right side
    70,634.76x = 2,534,417,502.06
  5. Step 5: Solve for x
    x = 2,534,417,502.06/70,634.76
  6. Step 6: Final answer
    x = 35,880.60

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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.