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Finding the Fourth Proportional to 54,792.60, 75,545.26 and 45,731

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Solution

The fourth proportional to 54,792.60, 75,545.26 and 45,731 is: 63,051.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,792.60 : 75,545.26 = 45,731 : x
  2. Step 2: Convert to fraction form
    54,792.60/75,545.26 = 45,731/x
  3. Step 3: Cross multiply
    54,792.60x = 75,545.26 × 45,731
  4. Step 4: Simplify right side
    54,792.60x = 3,454,760,285.06
  5. Step 5: Solve for x
    x = 3,454,760,285.06/54,792.60
  6. Step 6: Final answer
    x = 63,051.59

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.