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Finding the Fourth Proportional to 61,305.84, 84,599.36 and 35,814.57

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Solution

The fourth proportional to 61,305.84, 84,599.36 and 35,814.57 is: 49,422.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,305.84 : 84,599.36 = 35,814.57 : x
  2. Step 2: Convert to fraction form
    61,305.84/84,599.36 = 35,814.57/x
  3. Step 3: Cross multiply
    61,305.84x = 84,599.36 × 35,814.57
  4. Step 4: Simplify right side
    61,305.84x = 3,029,889,700.68
  5. Step 5: Solve for x
    x = 3,029,889,700.68/61,305.84
  6. Step 6: Final answer
    x = 49,422.53

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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.