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Finding the Fourth Proportional to 7,752.17, 11,627.99 and 3,369.63

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Solution

The fourth proportional to 7,752.17, 11,627.99 and 3,369.63 is: 5,054.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,752.17 : 11,627.99 = 3,369.63 : x
  2. Step 2: Convert to fraction form
    7,752.17/11,627.99 = 3,369.63/x
  3. Step 3: Cross multiply
    7,752.17x = 11,627.99 × 3,369.63
  4. Step 4: Simplify right side
    7,752.17x = 39,182,023.94
  5. Step 5: Solve for x
    x = 39,182,023.94/7,752.17
  6. Step 6: Final answer
    x = 5,054.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.