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Finding the Fourth Proportional to 64,284.62, 88,710.31 and 35,212.52

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Solution

The fourth proportional to 64,284.62, 88,710.31 and 35,212.52 is: 48,591.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,284.62 : 88,710.31 = 35,212.52 : x
  2. Step 2: Convert to fraction form
    64,284.62/88,710.31 = 35,212.52/x
  3. Step 3: Cross multiply
    64,284.62x = 88,710.31 × 35,212.52
  4. Step 4: Simplify right side
    64,284.62x = 3,123,713,565.08
  5. Step 5: Solve for x
    x = 3,123,713,565.08/64,284.62
  6. Step 6: Final answer
    x = 48,591.93

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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.