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Finding the Fourth Proportional to 6,270.60, 8,649.86 and 5,636.36

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Solution

The fourth proportional to 6,270.60, 8,649.86 and 5,636.36 is: 7,774.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,270.60 : 8,649.86 = 5,636.36 : x
  2. Step 2: Convert to fraction form
    6,270.60/8,649.86 = 5,636.36/x
  3. Step 3: Cross multiply
    6,270.60x = 8,649.86 × 5,636.36
  4. Step 4: Simplify right side
    6,270.60x = 48,753,724.91
  5. Step 5: Solve for x
    x = 48,753,724.91/6,270.60
  6. Step 6: Final answer
    x = 7,774.97

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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.