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Finding the Fourth Proportional to 52,759.20, 79,119.60 and 26,455.20

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Solution

The fourth proportional to 52,759.20, 79,119.60 and 26,455.20 is: 39,673.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,759.20 : 79,119.60 = 26,455.20 : x
  2. Step 2: Convert to fraction form
    52,759.20/79,119.60 = 26,455.20/x
  3. Step 3: Cross multiply
    52,759.20x = 79,119.60 × 26,455.20
  4. Step 4: Simplify right side
    52,759.20x = 2,093,124,841.92
  5. Step 5: Solve for x
    x = 2,093,124,841.92/52,759.20
  6. Step 6: Final answer
    x = 39,673.17

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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.