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Finding the Fourth Proportional to 50,953.66, 76,413.20 and 19,356.10

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Solution

The fourth proportional to 50,953.66, 76,413.20 and 19,356.10 is: 29,027.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,953.66 : 76,413.20 = 19,356.10 : x
  2. Step 2: Convert to fraction form
    50,953.66/76,413.20 = 19,356.10/x
  3. Step 3: Cross multiply
    50,953.66x = 76,413.20 × 19,356.10
  4. Step 4: Simplify right side
    50,953.66x = 1,479,061,252.71
  5. Step 5: Solve for x
    x = 1,479,061,252.71/50,953.66
  6. Step 6: Final answer
    x = 29,027.58

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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.