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Finding the Fourth Proportional to 79,007.67, 118,486.80 and 26,404.85

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Solution

The fourth proportional to 79,007.67, 118,486.80 and 26,404.85 is: 39,599.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,007.67 : 118,486.80 = 26,404.85 : x
  2. Step 2: Convert to fraction form
    79,007.67/118,486.80 = 26,404.85/x
  3. Step 3: Cross multiply
    79,007.67x = 118,486.80 × 26,404.85
  4. Step 4: Simplify right side
    79,007.67x = 3,128,626,477.20
  5. Step 5: Solve for x
    x = 3,128,626,477.20/79,007.67
  6. Step 6: Final answer
    x = 39,599.02

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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.