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Finding the Fourth Proportional to 7,684.83, 10,604.88 and 4,327.65

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Solution

The fourth proportional to 7,684.83, 10,604.88 and 4,327.65 is: 5,972.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,684.83 : 10,604.88 = 4,327.65 : x
  2. Step 2: Convert to fraction form
    7,684.83/10,604.88 = 4,327.65/x
  3. Step 3: Cross multiply
    7,684.83x = 10,604.88 × 4,327.65
  4. Step 4: Simplify right side
    7,684.83x = 45,894,208.93
  5. Step 5: Solve for x
    x = 45,894,208.93/7,684.83
  6. Step 6: Final answer
    x = 5,972.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.