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Finding the Fourth Proportional to 7,792.60, 11,633.44 and 7,519.24

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Solution

The fourth proportional to 7,792.60, 11,633.44 and 7,519.24 is: 11,225.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,792.60 : 11,633.44 = 7,519.24 : x
  2. Step 2: Convert to fraction form
    7,792.60/11,633.44 = 7,519.24/x
  3. Step 3: Cross multiply
    7,792.60x = 11,633.44 × 7,519.24
  4. Step 4: Simplify right side
    7,792.60x = 87,474,627.39
  5. Step 5: Solve for x
    x = 87,474,627.39/7,792.60
  6. Step 6: Final answer
    x = 11,225.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.