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Finding the Fourth Proportional to 75,326.87, 103,950.80 and 41,335.93

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Solution

The fourth proportional to 75,326.87, 103,950.80 and 41,335.93 is: 57,043.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,326.87 : 103,950.80 = 41,335.93 : x
  2. Step 2: Convert to fraction form
    75,326.87/103,950.80 = 41,335.93/x
  3. Step 3: Cross multiply
    75,326.87x = 103,950.80 × 41,335.93
  4. Step 4: Simplify right side
    75,326.87x = 4,296,902,473.25
  5. Step 5: Solve for x
    x = 4,296,902,473.25/75,326.87
  6. Step 6: Final answer
    x = 57,043.42

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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.