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Finding the Fourth Proportional to 6,803.35, 10,203.10 and 2,642.47

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Solution

The fourth proportional to 6,803.35, 10,203.10 and 2,642.47 is: 3,962.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,803.35 : 10,203.10 = 2,642.47 : x
  2. Step 2: Convert to fraction form
    6,803.35/10,203.10 = 2,642.47/x
  3. Step 3: Cross multiply
    6,803.35x = 10,203.10 × 2,642.47
  4. Step 4: Simplify right side
    6,803.35x = 26,961,385.66
  5. Step 5: Solve for x
    x = 26,961,385.66/6,803.35
  6. Step 6: Final answer
    x = 3,962.96

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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.