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Finding the Fourth Proportional to 61,792.74, 92,617.44 and 28,442.76

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Solution

The fourth proportional to 61,792.74, 92,617.44 and 28,442.76 is: 42,631.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,792.74 : 92,617.44 = 28,442.76 : x
  2. Step 2: Convert to fraction form
    61,792.74/92,617.44 = 28,442.76/x
  3. Step 3: Cross multiply
    61,792.74x = 92,617.44 × 28,442.76
  4. Step 4: Simplify right side
    61,792.74x = 2,634,295,617.73
  5. Step 5: Solve for x
    x = 2,634,295,617.73/61,792.74
  6. Step 6: Final answer
    x = 42,631.15

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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.