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Finding the Fourth Proportional to 36,607.77, 54,922.59 and 19,089.90

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Solution

The fourth proportional to 36,607.77, 54,922.59 and 19,089.90 is: 28,640.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,607.77 : 54,922.59 = 19,089.90 : x
  2. Step 2: Convert to fraction form
    36,607.77/54,922.59 = 19,089.90/x
  3. Step 3: Cross multiply
    36,607.77x = 54,922.59 × 19,089.90
  4. Step 4: Simplify right side
    36,607.77x = 1,048,466,750.84
  5. Step 5: Solve for x
    x = 1,048,466,750.84/36,607.77
  6. Step 6: Final answer
    x = 28,640.55

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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.