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Finding the Fourth Proportional to 6,363.64, 9,582.80 and 5,551.60

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Solution

The fourth proportional to 6,363.64, 9,582.80 and 5,551.60 is: 8,359.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,363.64 : 9,582.80 = 5,551.60 : x
  2. Step 2: Convert to fraction form
    6,363.64/9,582.80 = 5,551.60/x
  3. Step 3: Cross multiply
    6,363.64x = 9,582.80 × 5,551.60
  4. Step 4: Simplify right side
    6,363.64x = 53,199,872.48
  5. Step 5: Solve for x
    x = 53,199,872.48/6,363.64
  6. Step 6: Final answer
    x = 8,359.98

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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.