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Finding the Fourth Proportional to 66,581.04, 91,882.53 and 36,367.23

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Solution

The fourth proportional to 66,581.04, 91,882.53 and 36,367.23 is: 50,187.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,581.04 : 91,882.53 = 36,367.23 : x
  2. Step 2: Convert to fraction form
    66,581.04/91,882.53 = 36,367.23/x
  3. Step 3: Cross multiply
    66,581.04x = 91,882.53 × 36,367.23
  4. Step 4: Simplify right side
    66,581.04x = 3,341,513,101.49
  5. Step 5: Solve for x
    x = 3,341,513,101.49/66,581.04
  6. Step 6: Final answer
    x = 50,187.16

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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.