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Finding the Fourth Proportional to 47,355.20, 71,065.20 and 26,295.20

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Solution

The fourth proportional to 47,355.20, 71,065.20 and 26,295.20 is: 39,460.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,355.20 : 71,065.20 = 26,295.20 : x
  2. Step 2: Convert to fraction form
    47,355.20/71,065.20 = 26,295.20/x
  3. Step 3: Cross multiply
    47,355.20x = 71,065.20 × 26,295.20
  4. Step 4: Simplify right side
    47,355.20x = 1,868,673,647.04
  5. Step 5: Solve for x
    x = 1,868,673,647.04/47,355.20
  6. Step 6: Final answer
    x = 39,460.79

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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.