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Finding the Fourth Proportional to 64,398.52, 88,869.84 and 36,104.20

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Solution

The fourth proportional to 64,398.52, 88,869.84 and 36,104.20 is: 49,823.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,398.52 : 88,869.84 = 36,104.20 : x
  2. Step 2: Convert to fraction form
    64,398.52/88,869.84 = 36,104.20/x
  3. Step 3: Cross multiply
    64,398.52x = 88,869.84 × 36,104.20
  4. Step 4: Simplify right side
    64,398.52x = 3,208,574,477.33
  5. Step 5: Solve for x
    x = 3,208,574,477.33/64,398.52
  6. Step 6: Final answer
    x = 49,823.73

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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.