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Finding the Fourth Proportional to 7,470.94, 11,203.80 and 2,204.55

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Solution

The fourth proportional to 7,470.94, 11,203.80 and 2,204.55 is: 3,306.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,470.94 : 11,203.80 = 2,204.55 : x
  2. Step 2: Convert to fraction form
    7,470.94/11,203.80 = 2,204.55/x
  3. Step 3: Cross multiply
    7,470.94x = 11,203.80 × 2,204.55
  4. Step 4: Simplify right side
    7,470.94x = 24,699,337.29
  5. Step 5: Solve for x
    x = 24,699,337.29/7,470.94
  6. Step 6: Final answer
    x = 3,306.05

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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.