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Finding the Fourth Proportional to 79,603.66, 119,380.14 and 26,285.71

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Solution

The fourth proportional to 79,603.66, 119,380.14 and 26,285.71 is: 39,420.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,603.66 : 119,380.14 = 26,285.71 : x
  2. Step 2: Convert to fraction form
    79,603.66/119,380.14 = 26,285.71/x
  3. Step 3: Cross multiply
    79,603.66x = 119,380.14 × 26,285.71
  4. Step 4: Simplify right side
    79,603.66x = 3,137,991,739.80
  5. Step 5: Solve for x
    x = 3,137,991,739.80/79,603.66
  6. Step 6: Final answer
    x = 39,420.19

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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.