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Finding the Fourth Proportional to 6,294.80, 8,686.82 and 3,500.30

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Solution

The fourth proportional to 6,294.80, 8,686.82 and 3,500.30 is: 4,830.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,294.80 : 8,686.82 = 3,500.30 : x
  2. Step 2: Convert to fraction form
    6,294.80/8,686.82 = 3,500.30/x
  3. Step 3: Cross multiply
    6,294.80x = 8,686.82 × 3,500.30
  4. Step 4: Simplify right side
    6,294.80x = 30,406,447.81
  5. Step 5: Solve for x
    x = 30,406,447.81/6,294.80
  6. Step 6: Final answer
    x = 4,830.41

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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.