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Finding the Fourth Proportional to 61,863.59, 92,800.58 and 19,749.68

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Solution

The fourth proportional to 61,863.59, 92,800.58 and 19,749.68 is: 29,626.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,863.59 : 92,800.58 = 19,749.68 : x
  2. Step 2: Convert to fraction form
    61,863.59/92,800.58 = 19,749.68/x
  3. Step 3: Cross multiply
    61,863.59x = 92,800.58 × 19,749.68
  4. Step 4: Simplify right side
    61,863.59x = 1,832,781,758.81
  5. Step 5: Solve for x
    x = 1,832,781,758.81/61,863.59
  6. Step 6: Final answer
    x = 29,626.18

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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.