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Finding the Fourth Proportional to 6,662.76, 9,203.94 and 4,809.48

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Solution

The fourth proportional to 6,662.76, 9,203.94 and 4,809.48 is: 6,643.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,662.76 : 9,203.94 = 4,809.48 : x
  2. Step 2: Convert to fraction form
    6,662.76/9,203.94 = 4,809.48/x
  3. Step 3: Cross multiply
    6,662.76x = 9,203.94 × 4,809.48
  4. Step 4: Simplify right side
    6,662.76x = 44,266,165.35
  5. Step 5: Solve for x
    x = 44,266,165.35/6,662.76
  6. Step 6: Final answer
    x = 6,643.82

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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.