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Finding the Fourth Proportional to 55,604.25, 76,733.87 and 30,454.29

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Solution

The fourth proportional to 55,604.25, 76,733.87 and 30,454.29 is: 42,026.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,604.25 : 76,733.87 = 30,454.29 : x
  2. Step 2: Convert to fraction form
    55,604.25/76,733.87 = 30,454.29/x
  3. Step 3: Cross multiply
    55,604.25x = 76,733.87 × 30,454.29
  4. Step 4: Simplify right side
    55,604.25x = 2,336,875,377.53
  5. Step 5: Solve for x
    x = 2,336,875,377.53/55,604.25
  6. Step 6: Final answer
    x = 42,026.92

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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.