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Finding the Fourth Proportional to 61,278.93, 84,551.79 and 35,773.72

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Solution

The fourth proportional to 61,278.93, 84,551.79 and 35,773.72 is: 49,360.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,278.93 : 84,551.79 = 35,773.72 : x
  2. Step 2: Convert to fraction form
    61,278.93/84,551.79 = 35,773.72/x
  3. Step 3: Cross multiply
    61,278.93x = 84,551.79 × 35,773.72
  4. Step 4: Simplify right side
    61,278.93x = 3,024,732,060.96
  5. Step 5: Solve for x
    x = 3,024,732,060.96/61,278.93
  6. Step 6: Final answer
    x = 49,360.07

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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.