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Finding the Fourth Proportional to 79,774.95, 119,676.65 and 26,470.12

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Solution

The fourth proportional to 79,774.95, 119,676.65 and 26,470.12 is: 39,709.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,774.95 : 119,676.65 = 26,470.12 : x
  2. Step 2: Convert to fraction form
    79,774.95/119,676.65 = 26,470.12/x
  3. Step 3: Cross multiply
    79,774.95x = 119,676.65 × 26,470.12
  4. Step 4: Simplify right side
    79,774.95x = 3,167,855,286.70
  5. Step 5: Solve for x
    x = 3,167,855,286.70/79,774.95
  6. Step 6: Final answer
    x = 39,709.90

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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.