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Finding the Fourth Proportional to 75,894.32, 104,733.60 and 41,902.88

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Solution

The fourth proportional to 75,894.32, 104,733.60 and 41,902.88 is: 57,825.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,894.32 : 104,733.60 = 41,902.88 : x
  2. Step 2: Convert to fraction form
    75,894.32/104,733.60 = 41,902.88/x
  3. Step 3: Cross multiply
    75,894.32x = 104,733.60 × 41,902.88
  4. Step 4: Simplify right side
    75,894.32x = 4,388,639,472.77
  5. Step 5: Solve for x
    x = 4,388,639,472.77/75,894.32
  6. Step 6: Final answer
    x = 57,825.66

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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.