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Finding the Fourth Proportional to 64,565.58, 96,640.05 and 33,357.90

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Solution

The fourth proportional to 64,565.58, 96,640.05 and 33,357.90 is: 49,929.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,565.58 : 96,640.05 = 33,357.90 : x
  2. Step 2: Convert to fraction form
    64,565.58/96,640.05 = 33,357.90/x
  3. Step 3: Cross multiply
    64,565.58x = 96,640.05 × 33,357.90
  4. Step 4: Simplify right side
    64,565.58x = 3,223,709,123.90
  5. Step 5: Solve for x
    x = 3,223,709,123.90/64,565.58
  6. Step 6: Final answer
    x = 49,929.22

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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.