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Finding the Fourth Proportional to 61,544.00, 84,931.09 and 34,321.81

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Solution

The fourth proportional to 61,544.00, 84,931.09 and 34,321.81 is: 47,364.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,544.00 : 84,931.09 = 34,321.81 : x
  2. Step 2: Convert to fraction form
    61,544.00/84,931.09 = 34,321.81/x
  3. Step 3: Cross multiply
    61,544.00x = 84,931.09 × 34,321.81
  4. Step 4: Simplify right side
    61,544.00x = 2,914,988,657.36
  5. Step 5: Solve for x
    x = 2,914,988,657.36/61,544.00
  6. Step 6: Final answer
    x = 47,364.30

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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.