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Finding the Fourth Proportional to 61,802.68, 92,474.38 and 36,856.30

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Solution

The fourth proportional to 61,802.68, 92,474.38 and 36,856.30 is: 55,147.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,802.68 : 92,474.38 = 36,856.30 : x
  2. Step 2: Convert to fraction form
    61,802.68/92,474.38 = 36,856.30/x
  3. Step 3: Cross multiply
    61,802.68x = 92,474.38 × 36,856.30
  4. Step 4: Simplify right side
    61,802.68x = 3,408,263,491.59
  5. Step 5: Solve for x
    x = 3,408,263,491.59/61,802.68
  6. Step 6: Final answer
    x = 55,147.50

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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.