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Finding the Fourth Proportional to 61,242.64, 91,874.70 and 27,966.06

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Solution

The fourth proportional to 61,242.64, 91,874.70 and 27,966.06 is: 41,954.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,242.64 : 91,874.70 = 27,966.06 : x
  2. Step 2: Convert to fraction form
    61,242.64/91,874.70 = 27,966.06/x
  3. Step 3: Cross multiply
    61,242.64x = 91,874.70 × 27,966.06
  4. Step 4: Simplify right side
    61,242.64x = 2,569,373,372.68
  5. Step 5: Solve for x
    x = 2,569,373,372.68/61,242.64
  6. Step 6: Final answer
    x = 41,954.00

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.