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Finding the Fourth Proportional to 6,247.80, 8,623.08 and 4,753.44

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Solution

The fourth proportional to 6,247.80, 8,623.08 and 4,753.44 is: 6,560.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,247.80 : 8,623.08 = 4,753.44 : x
  2. Step 2: Convert to fraction form
    6,247.80/8,623.08 = 4,753.44/x
  3. Step 3: Cross multiply
    6,247.80x = 8,623.08 × 4,753.44
  4. Step 4: Simplify right side
    6,247.80x = 40,989,293.40
  5. Step 5: Solve for x
    x = 40,989,293.40/6,247.80
  6. Step 6: Final answer
    x = 6,560.60

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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.