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Finding the Fourth Proportional to 7,110.44, 10,719.81 and 6,609.32

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Solution

The fourth proportional to 7,110.44, 10,719.81 and 6,609.32 is: 9,964.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,110.44 : 10,719.81 = 6,609.32 : x
  2. Step 2: Convert to fraction form
    7,110.44/10,719.81 = 6,609.32/x
  3. Step 3: Cross multiply
    7,110.44x = 10,719.81 × 6,609.32
  4. Step 4: Simplify right side
    7,110.44x = 70,850,654.63
  5. Step 5: Solve for x
    x = 70,850,654.63/7,110.44
  6. Step 6: Final answer
    x = 9,964.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.