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Finding the Fourth Proportional to 65,117.44, 89,870.36 and 36,822.52

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Solution

The fourth proportional to 65,117.44, 89,870.36 and 36,822.52 is: 50,819.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,117.44 : 89,870.36 = 36,822.52 : x
  2. Step 2: Convert to fraction form
    65,117.44/89,870.36 = 36,822.52/x
  3. Step 3: Cross multiply
    65,117.44x = 89,870.36 × 36,822.52
  4. Step 4: Simplify right side
    65,117.44x = 3,309,253,128.51
  5. Step 5: Solve for x
    x = 3,309,253,128.51/65,117.44
  6. Step 6: Final answer
    x = 50,819.77

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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.