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Finding the Fourth Proportional to 75,340.57, 103,973.75 and 41,348.76

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Solution

The fourth proportional to 75,340.57, 103,973.75 and 41,348.76 is: 57,063.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,340.57 : 103,973.75 = 41,348.76 : x
  2. Step 2: Convert to fraction form
    75,340.57/103,973.75 = 41,348.76/x
  3. Step 3: Cross multiply
    75,340.57x = 103,973.75 × 41,348.76
  4. Step 4: Simplify right side
    75,340.57x = 4,299,185,635.05
  5. Step 5: Solve for x
    x = 4,299,185,635.05/75,340.57
  6. Step 6: Final answer
    x = 57,063.35

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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.