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Finding the Fourth Proportional to 79,793.06, 119,648.79 and 26,465.78

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Solution

The fourth proportional to 79,793.06, 119,648.79 and 26,465.78 is: 39,685.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,793.06 : 119,648.79 = 26,465.78 : x
  2. Step 2: Convert to fraction form
    79,793.06/119,648.79 = 26,465.78/x
  3. Step 3: Cross multiply
    79,793.06x = 119,648.79 × 26,465.78
  4. Step 4: Simplify right side
    79,793.06x = 3,166,598,852.53
  5. Step 5: Solve for x
    x = 3,166,598,852.53/79,793.06
  6. Step 6: Final answer
    x = 39,685.14

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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.