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Finding the Fourth Proportional to 7,950.45, 10,969.65 and 4,764.26

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Solution

The fourth proportional to 7,950.45, 10,969.65 and 4,764.26 is: 6,573.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,950.45 : 10,969.65 = 4,764.26 : x
  2. Step 2: Convert to fraction form
    7,950.45/10,969.65 = 4,764.26/x
  3. Step 3: Cross multiply
    7,950.45x = 10,969.65 × 4,764.26
  4. Step 4: Simplify right side
    7,950.45x = 52,262,209.86
  5. Step 5: Solve for x
    x = 52,262,209.86/7,950.45
  6. Step 6: Final answer
    x = 6,573.49

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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.