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Finding the Fourth Proportional to 61,366.94, 84,664.43 and 35,864.24

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Solution

The fourth proportional to 61,366.94, 84,664.43 and 35,864.24 is: 49,479.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,366.94 : 84,664.43 = 35,864.24 : x
  2. Step 2: Convert to fraction form
    61,366.94/84,664.43 = 35,864.24/x
  3. Step 3: Cross multiply
    61,366.94x = 84,664.43 × 35,864.24
  4. Step 4: Simplify right side
    61,366.94x = 3,036,424,834.34
  5. Step 5: Solve for x
    x = 3,036,424,834.34/61,366.94
  6. Step 6: Final answer
    x = 49,479.82

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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.