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Finding the Fourth Proportional to 79,049.46, 118,574.34 and 19,884.73

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Solution

The fourth proportional to 79,049.46, 118,574.34 and 19,884.73 is: 29,827.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,049.46 : 118,574.34 = 19,884.73 : x
  2. Step 2: Convert to fraction form
    79,049.46/118,574.34 = 19,884.73/x
  3. Step 3: Cross multiply
    79,049.46x = 118,574.34 × 19,884.73
  4. Step 4: Simplify right side
    79,049.46x = 2,357,818,043.53
  5. Step 5: Solve for x
    x = 2,357,818,043.53/79,049.46
  6. Step 6: Final answer
    x = 29,827.12

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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.