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Finding the Fourth Proportional to 70,620.73, 105,917.12 and 35,044.93

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Solution

The fourth proportional to 70,620.73, 105,917.12 and 35,044.93 is: 52,560.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,620.73 : 105,917.12 = 35,044.93 : x
  2. Step 2: Convert to fraction form
    70,620.73/105,917.12 = 35,044.93/x
  3. Step 3: Cross multiply
    70,620.73x = 105,917.12 × 35,044.93
  4. Step 4: Simplify right side
    70,620.73x = 3,711,857,880.98
  5. Step 5: Solve for x
    x = 3,711,857,880.98/70,620.73
  6. Step 6: Final answer
    x = 52,560.46

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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.