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Finding the Fourth Proportional to 45,602.79, 68,357.70 and 25,839.60

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Solution

The fourth proportional to 45,602.79, 68,357.70 and 25,839.60 is: 38,733.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,602.79 : 68,357.70 = 25,839.60 : x
  2. Step 2: Convert to fraction form
    45,602.79/68,357.70 = 25,839.60/x
  3. Step 3: Cross multiply
    45,602.79x = 68,357.70 × 25,839.60
  4. Step 4: Simplify right side
    45,602.79x = 1,766,335,624.92
  5. Step 5: Solve for x
    x = 1,766,335,624.92/45,602.79
  6. Step 6: Final answer
    x = 38,733.06

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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.