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Finding the Fourth Proportional to 56,474.51, 84,545.31 and 49,468.20

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Solution

The fourth proportional to 56,474.51, 84,545.31 and 49,468.20 is: 74,056.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,474.51 : 84,545.31 = 49,468.20 : x
  2. Step 2: Convert to fraction form
    56,474.51/84,545.31 = 49,468.20/x
  3. Step 3: Cross multiply
    56,474.51x = 84,545.31 × 49,468.20
  4. Step 4: Simplify right side
    56,474.51x = 4,182,304,304.14
  5. Step 5: Solve for x
    x = 4,182,304,304.14/56,474.51
  6. Step 6: Final answer
    x = 74,056.50

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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.