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Finding the Fourth Proportional to 7,651.96, 10,559.10 and 4,668.28

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Solution

The fourth proportional to 7,651.96, 10,559.10 and 4,668.28 is: 6,441.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,651.96 : 10,559.10 = 4,668.28 : x
  2. Step 2: Convert to fraction form
    7,651.96/10,559.10 = 4,668.28/x
  3. Step 3: Cross multiply
    7,651.96x = 10,559.10 × 4,668.28
  4. Step 4: Simplify right side
    7,651.96x = 49,292,835.35
  5. Step 5: Solve for x
    x = 49,292,835.35/7,651.96
  6. Step 6: Final answer
    x = 6,441.86

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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.