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Finding the Fourth Proportional to 6,294.72, 8,686.80 and 3,500.28

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Solution

The fourth proportional to 6,294.72, 8,686.80 and 3,500.28 is: 4,830.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,294.72 : 8,686.80 = 3,500.28 : x
  2. Step 2: Convert to fraction form
    6,294.72/8,686.80 = 3,500.28/x
  3. Step 3: Cross multiply
    6,294.72x = 8,686.80 × 3,500.28
  4. Step 4: Simplify right side
    6,294.72x = 30,406,232.30
  5. Step 5: Solve for x
    x = 30,406,232.30/6,294.72
  6. Step 6: Final answer
    x = 4,830.43

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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.