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Finding the Fourth Proportional to 64,397.19, 88,858.49 and 36,799.77

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Solution

The fourth proportional to 64,397.19, 88,858.49 and 36,799.77 is: 50,778.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,397.19 : 88,858.49 = 36,799.77 : x
  2. Step 2: Convert to fraction form
    64,397.19/88,858.49 = 36,799.77/x
  3. Step 3: Cross multiply
    64,397.19x = 88,858.49 × 36,799.77
  4. Step 4: Simplify right side
    64,397.19x = 3,269,971,366.26
  5. Step 5: Solve for x
    x = 3,269,971,366.26/64,397.19
  6. Step 6: Final answer
    x = 50,778.17

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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.