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Finding the Fourth Proportional to 46,363.79, 69,543.77 and 21,395.54

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Solution

The fourth proportional to 46,363.79, 69,543.77 and 21,395.54 is: 32,092.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,363.79 : 69,543.77 = 21,395.54 : x
  2. Step 2: Convert to fraction form
    46,363.79/69,543.77 = 21,395.54/x
  3. Step 3: Cross multiply
    46,363.79x = 69,543.77 × 21,395.54
  4. Step 4: Simplify right side
    46,363.79x = 1,487,926,579.67
  5. Step 5: Solve for x
    x = 1,487,926,579.67/46,363.79
  6. Step 6: Final answer
    x = 32,092.43

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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.