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Finding the Fourth Proportional to 64,228.56, 96,357.48 and 34,645.74

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Solution

The fourth proportional to 64,228.56, 96,357.48 and 34,645.74 is: 51,976.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,228.56 : 96,357.48 = 34,645.74 : x
  2. Step 2: Convert to fraction form
    64,228.56/96,357.48 = 34,645.74/x
  3. Step 3: Cross multiply
    64,228.56x = 96,357.48 × 34,645.74
  4. Step 4: Simplify right side
    64,228.56x = 3,338,376,199.14
  5. Step 5: Solve for x
    x = 3,338,376,199.14/64,228.56
  6. Step 6: Final answer
    x = 51,976.51

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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.