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Finding the Fourth Proportional to 70,957.74, 106,378.88 and 26,559.60

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Solution

The fourth proportional to 70,957.74, 106,378.88 and 26,559.60 is: 39,817.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,957.74 : 106,378.88 = 26,559.60 : x
  2. Step 2: Convert to fraction form
    70,957.74/106,378.88 = 26,559.60/x
  3. Step 3: Cross multiply
    70,957.74x = 106,378.88 × 26,559.60
  4. Step 4: Simplify right side
    70,957.74x = 2,825,380,501.25
  5. Step 5: Solve for x
    x = 2,825,380,501.25/70,957.74
  6. Step 6: Final answer
    x = 39,817.79

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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.