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Finding the Fourth Proportional to 76,448.87, 114,627.88 and 29,067.43

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Solution

The fourth proportional to 76,448.87, 114,627.88 and 29,067.43 is: 43,583.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,448.87 : 114,627.88 = 29,067.43 : x
  2. Step 2: Convert to fraction form
    76,448.87/114,627.88 = 29,067.43/x
  3. Step 3: Cross multiply
    76,448.87x = 114,627.88 × 29,067.43
  4. Step 4: Simplify right side
    76,448.87x = 3,331,937,877.95
  5. Step 5: Solve for x
    x = 3,331,937,877.95/76,448.87
  6. Step 6: Final answer
    x = 43,583.87

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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.