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Finding the Fourth Proportional to 79,780.01, 119,671.25 and 23,625.80

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Solution

The fourth proportional to 79,780.01, 119,671.25 and 23,625.80 is: 35,439.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,780.01 : 119,671.25 = 23,625.80 : x
  2. Step 2: Convert to fraction form
    79,780.01/119,671.25 = 23,625.80/x
  3. Step 3: Cross multiply
    79,780.01x = 119,671.25 × 23,625.80
  4. Step 4: Simplify right side
    79,780.01x = 2,827,328,301.76
  5. Step 5: Solve for x
    x = 2,827,328,301.76/79,780.01
  6. Step 6: Final answer
    x = 35,439.06

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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.