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Finding the Fourth Proportional to 6,662.40, 9,971.62 and 5,933.40

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Solution

The fourth proportional to 6,662.40, 9,971.62 and 5,933.40 is: 8,880.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,662.40 : 9,971.62 = 5,933.40 : x
  2. Step 2: Convert to fraction form
    6,662.40/9,971.62 = 5,933.40/x
  3. Step 3: Cross multiply
    6,662.40x = 9,971.62 × 5,933.40
  4. Step 4: Simplify right side
    6,662.40x = 59,165,610.11
  5. Step 5: Solve for x
    x = 59,165,610.11/6,662.40
  6. Step 6: Final answer
    x = 8,880.53

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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.