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Finding the Fourth Proportional to 48,424.90, 72,442.95 and 41,923.30

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Solution

The fourth proportional to 48,424.90, 72,442.95 and 41,923.30 is: 62,716.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,424.90 : 72,442.95 = 41,923.30 : x
  2. Step 2: Convert to fraction form
    48,424.90/72,442.95 = 41,923.30/x
  3. Step 3: Cross multiply
    48,424.90x = 72,442.95 × 41,923.30
  4. Step 4: Simplify right side
    48,424.90x = 3,037,047,525.74
  5. Step 5: Solve for x
    x = 3,037,047,525.74/48,424.90
  6. Step 6: Final answer
    x = 62,716.65

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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.