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Finding the Fourth Proportional to 64,409.16, 88,882.74 and 36,116.04

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Solution

The fourth proportional to 64,409.16, 88,882.74 and 36,116.04 is: 49,839.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,409.16 : 88,882.74 = 36,116.04 : x
  2. Step 2: Convert to fraction form
    64,409.16/88,882.74 = 36,116.04/x
  3. Step 3: Cross multiply
    64,409.16x = 88,882.74 × 36,116.04
  4. Step 4: Simplify right side
    64,409.16x = 3,210,092,593.15
  5. Step 5: Solve for x
    x = 3,210,092,593.15/64,409.16
  6. Step 6: Final answer
    x = 49,839.07

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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.