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Finding the Fourth Proportional to 6,639.33, 9,962.64 and 5,594.43

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Solution

The fourth proportional to 6,639.33, 9,962.64 and 5,594.43 is: 8,394.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,639.33 : 9,962.64 = 5,594.43 : x
  2. Step 2: Convert to fraction form
    6,639.33/9,962.64 = 5,594.43/x
  3. Step 3: Cross multiply
    6,639.33x = 9,962.64 × 5,594.43
  4. Step 4: Simplify right side
    6,639.33x = 55,735,292.10
  5. Step 5: Solve for x
    x = 55,735,292.10/6,639.33
  6. Step 6: Final answer
    x = 8,394.72

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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.