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Finding the Fourth Proportional to 55,806.68, 83,721.72 and 16,360.58

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Solution

The fourth proportional to 55,806.68, 83,721.72 and 16,360.58 is: 24,544.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,806.68 : 83,721.72 = 16,360.58 : x
  2. Step 2: Convert to fraction form
    55,806.68/83,721.72 = 16,360.58/x
  3. Step 3: Cross multiply
    55,806.68x = 83,721.72 × 16,360.58
  4. Step 4: Simplify right side
    55,806.68x = 1,369,735,897.80
  5. Step 5: Solve for x
    x = 1,369,735,897.80/55,806.68
  6. Step 6: Final answer
    x = 24,544.30

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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.