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Finding the Fourth Proportional to 66,627.84, 91,948.32 and 36,414.84

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Solution

The fourth proportional to 66,627.84, 91,948.32 and 36,414.84 is: 50,253.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,627.84 : 91,948.32 = 36,414.84 : x
  2. Step 2: Convert to fraction form
    66,627.84/91,948.32 = 36,414.84/x
  3. Step 3: Cross multiply
    66,627.84x = 91,948.32 × 36,414.84
  4. Step 4: Simplify right side
    66,627.84x = 3,348,283,361.07
  5. Step 5: Solve for x
    x = 3,348,283,361.07/66,627.84
  6. Step 6: Final answer
    x = 50,253.52

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1.5x scale

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.