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Finding the Fourth Proportional to 61,817.22, 92,649.83 and 28,491.03

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Solution

The fourth proportional to 61,817.22, 92,649.83 and 28,491.03 is: 42,701.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,817.22 : 92,649.83 = 28,491.03 : x
  2. Step 2: Convert to fraction form
    61,817.22/92,649.83 = 28,491.03/x
  3. Step 3: Cross multiply
    61,817.22x = 92,649.83 × 28,491.03
  4. Step 4: Simplify right side
    61,817.22x = 2,639,688,943.57
  5. Step 5: Solve for x
    x = 2,639,688,943.57/61,817.22
  6. Step 6: Final answer
    x = 42,701.51

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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.