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Finding the Fourth Proportional to 61,590, 84,994.43 and 34,367.23

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Solution

The fourth proportional to 61,590, 84,994.43 and 34,367.23 is: 47,426.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,590 : 84,994.43 = 34,367.23 : x
  2. Step 2: Convert to fraction form
    61,590/84,994.43 = 34,367.23/x
  3. Step 3: Cross multiply
    61,590x = 84,994.43 × 34,367.23
  4. Step 4: Simplify right side
    61,590x = 2,921,023,124.53
  5. Step 5: Solve for x
    x = 2,921,023,124.53/61,590
  6. Step 6: Final answer
    x = 47,426.91

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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.