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Finding the Fourth Proportional to 9,984.87, 14,985.04 and 3,750.55

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Solution

The fourth proportional to 9,984.87, 14,985.04 and 3,750.55 is: 5,628.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,984.87 : 14,985.04 = 3,750.55 : x
  2. Step 2: Convert to fraction form
    9,984.87/14,985.04 = 3,750.55/x
  3. Step 3: Cross multiply
    9,984.87x = 14,985.04 × 3,750.55
  4. Step 4: Simplify right side
    9,984.87x = 56,202,066.85
  5. Step 5: Solve for x
    x = 56,202,066.85/9,984.87
  6. Step 6: Final answer
    x = 5,628.73

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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.