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Finding the Fourth Proportional to 78,552.52, 117,834.26 and 25,998.92

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Solution

The fourth proportional to 78,552.52, 117,834.26 and 25,998.92 is: 39,000.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,552.52 : 117,834.26 = 25,998.92 : x
  2. Step 2: Convert to fraction form
    78,552.52/117,834.26 = 25,998.92/x
  3. Step 3: Cross multiply
    78,552.52x = 117,834.26 × 25,998.92
  4. Step 4: Simplify right side
    78,552.52x = 3,063,563,499.00
  5. Step 5: Solve for x
    x = 3,063,563,499.00/78,552.52
  6. Step 6: Final answer
    x = 39,000.19

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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.