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Finding the Fourth Proportional to 7,651.48, 10,559.74 and 4,667.48

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Solution

The fourth proportional to 7,651.48, 10,559.74 and 4,667.48 is: 6,441.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,651.48 : 10,559.74 = 4,667.48 : x
  2. Step 2: Convert to fraction form
    7,651.48/10,559.74 = 4,667.48/x
  3. Step 3: Cross multiply
    7,651.48x = 10,559.74 × 4,667.48
  4. Step 4: Simplify right side
    7,651.48x = 49,287,375.26
  5. Step 5: Solve for x
    x = 49,287,375.26/7,651.48
  6. Step 6: Final answer
    x = 6,441.55

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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.