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Finding the Fourth Proportional to 76,344.87, 114,525.15 and 26,424.89

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Solution

The fourth proportional to 76,344.87, 114,525.15 and 26,424.89 is: 39,640.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,344.87 : 114,525.15 = 26,424.89 : x
  2. Step 2: Convert to fraction form
    76,344.87/114,525.15 = 26,424.89/x
  3. Step 3: Cross multiply
    76,344.87x = 114,525.15 × 26,424.89
  4. Step 4: Simplify right side
    76,344.87x = 3,026,313,918.36
  5. Step 5: Solve for x
    x = 3,026,313,918.36/76,344.87
  6. Step 6: Final answer
    x = 39,640.04

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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.