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Finding the Fourth Proportional to 66,552.64, 91,857.96 and 43,895.68

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Solution

The fourth proportional to 66,552.64, 91,857.96 and 43,895.68 is: 60,586.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,552.64 : 91,857.96 = 43,895.68 : x
  2. Step 2: Convert to fraction form
    66,552.64/91,857.96 = 43,895.68/x
  3. Step 3: Cross multiply
    66,552.64x = 91,857.96 × 43,895.68
  4. Step 4: Simplify right side
    66,552.64x = 4,032,167,617.61
  5. Step 5: Solve for x
    x = 4,032,167,617.61/66,552.64
  6. Step 6: Final answer
    x = 60,586.14

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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.