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Finding the Fourth Proportional to 7,668.50, 10,582.44 and 4,311.88

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Solution

The fourth proportional to 7,668.50, 10,582.44 and 4,311.88 is: 5,950.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,668.50 : 10,582.44 = 4,311.88 : x
  2. Step 2: Convert to fraction form
    7,668.50/10,582.44 = 4,311.88/x
  3. Step 3: Cross multiply
    7,668.50x = 10,582.44 × 4,311.88
  4. Step 4: Simplify right side
    7,668.50x = 45,630,211.39
  5. Step 5: Solve for x
    x = 45,630,211.39/7,668.50
  6. Step 6: Final answer
    x = 5,950.34

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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.