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Finding the Fourth Proportional to 36,573.74, 54,860.62 and 8,871.50

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Solution

The fourth proportional to 36,573.74, 54,860.62 and 8,871.50 is: 13,307.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,573.74 : 54,860.62 = 8,871.50 : x
  2. Step 2: Convert to fraction form
    36,573.74/54,860.62 = 8,871.50/x
  3. Step 3: Cross multiply
    36,573.74x = 54,860.62 × 8,871.50
  4. Step 4: Simplify right side
    36,573.74x = 486,695,990.33
  5. Step 5: Solve for x
    x = 486,695,990.33/36,573.74
  6. Step 6: Final answer
    x = 13,307.25

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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.