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Finding the Fourth Proportional to 75,039.92, 112,574.93 and 27,655.25

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Solution

The fourth proportional to 75,039.92, 112,574.93 and 27,655.25 is: 41,488.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,039.92 : 112,574.93 = 27,655.25 : x
  2. Step 2: Convert to fraction form
    75,039.92/112,574.93 = 27,655.25/x
  3. Step 3: Cross multiply
    75,039.92x = 112,574.93 × 27,655.25
  4. Step 4: Simplify right side
    75,039.92x = 3,113,287,131.73
  5. Step 5: Solve for x
    x = 3,113,287,131.73/75,039.92
  6. Step 6: Final answer
    x = 41,488.41

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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.