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Finding the Fourth Proportional to 6,662.58, 9,197.76 and 6,300.78

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Solution

The fourth proportional to 6,662.58, 9,197.76 and 6,300.78 is: 8,698.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,662.58 : 9,197.76 = 6,300.78 : x
  2. Step 2: Convert to fraction form
    6,662.58/9,197.76 = 6,300.78/x
  3. Step 3: Cross multiply
    6,662.58x = 9,197.76 × 6,300.78
  4. Step 4: Simplify right side
    6,662.58x = 57,953,062.25
  5. Step 5: Solve for x
    x = 57,953,062.25/6,662.58
  6. Step 6: Final answer
    x = 8,698.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.