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Finding the Fourth Proportional to 52,356, 78,559.20 and 26,063.04

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Solution

The fourth proportional to 52,356, 78,559.20 and 26,063.04 is: 39,107.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,356 : 78,559.20 = 26,063.04 : x
  2. Step 2: Convert to fraction form
    52,356/78,559.20 = 26,063.04/x
  3. Step 3: Cross multiply
    52,356x = 78,559.20 × 26,063.04
  4. Step 4: Simplify right side
    52,356x = 2,047,491,571.97
  5. Step 5: Solve for x
    x = 2,047,491,571.97/52,356
  6. Step 6: Final answer
    x = 39,107.10

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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.