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Finding the Fourth Proportional to 61,876.71, 92,806.83 and 17,507.34

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Solution

The fourth proportional to 61,876.71, 92,806.83 and 17,507.34 is: 26,258.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,876.71 : 92,806.83 = 17,507.34 : x
  2. Step 2: Convert to fraction form
    61,876.71/92,806.83 = 17,507.34/x
  3. Step 3: Cross multiply
    61,876.71x = 92,806.83 × 17,507.34
  4. Step 4: Simplify right side
    61,876.71x = 1,624,800,727.13
  5. Step 5: Solve for x
    x = 1,624,800,727.13/61,876.71
  6. Step 6: Final answer
    x = 26,258.68

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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.