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Finding the Fourth Proportional to 7,440.01, 11,161.89 and 5,253.01

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Solution

The fourth proportional to 7,440.01, 11,161.89 and 5,253.01 is: 7,880.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,440.01 : 11,161.89 = 5,253.01 : x
  2. Step 2: Convert to fraction form
    7,440.01/11,161.89 = 5,253.01/x
  3. Step 3: Cross multiply
    7,440.01x = 11,161.89 × 5,253.01
  4. Step 4: Simplify right side
    7,440.01x = 58,633,519.79
  5. Step 5: Solve for x
    x = 58,633,519.79/7,440.01
  6. Step 6: Final answer
    x = 7,880.84

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Double scale
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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.