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Finding the Fourth Proportional to 75,098.91, 103,629.46 and 44,878.21

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Solution

The fourth proportional to 75,098.91, 103,629.46 and 44,878.21 is: 61,927.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,098.91 : 103,629.46 = 44,878.21 : x
  2. Step 2: Convert to fraction form
    75,098.91/103,629.46 = 44,878.21/x
  3. Step 3: Cross multiply
    75,098.91x = 103,629.46 × 44,878.21
  4. Step 4: Simplify right side
    75,098.91x = 4,650,704,668.07
  5. Step 5: Solve for x
    x = 4,650,704,668.07/75,098.91
  6. Step 6: Final answer
    x = 61,927.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.