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Finding the Fourth Proportional to 61,885.44, 92,744.28 and 28,532.16

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Solution

The fourth proportional to 61,885.44, 92,744.28 and 28,532.16 is: 42,759.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,885.44 : 92,744.28 = 28,532.16 : x
  2. Step 2: Convert to fraction form
    61,885.44/92,744.28 = 28,532.16/x
  3. Step 3: Cross multiply
    61,885.44x = 92,744.28 × 28,532.16
  4. Step 4: Simplify right side
    61,885.44x = 2,646,194,636.04
  5. Step 5: Solve for x
    x = 2,646,194,636.04/61,885.44
  6. Step 6: Final answer
    x = 42,759.57

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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.