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Finding the Fourth Proportional to 66,812.40, 92,201 and 36,599

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Solution

The fourth proportional to 66,812.40, 92,201 and 36,599 is: 50,506.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,812.40 : 92,201 = 36,599 : x
  2. Step 2: Convert to fraction form
    66,812.40/92,201 = 36,599/x
  3. Step 3: Cross multiply
    66,812.40x = 92,201 × 36,599
  4. Step 4: Simplify right side
    66,812.40x = 3,374,464,399
  5. Step 5: Solve for x
    x = 3,374,464,399/66,812.40
  6. Step 6: Final answer
    x = 50,506.56

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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.