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Finding the Fourth Proportional to 6,235.40, 8,605.14 and 4,248.20

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Solution

The fourth proportional to 6,235.40, 8,605.14 and 4,248.20 is: 5,862.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,235.40 : 8,605.14 = 4,248.20 : x
  2. Step 2: Convert to fraction form
    6,235.40/8,605.14 = 4,248.20/x
  3. Step 3: Cross multiply
    6,235.40x = 8,605.14 × 4,248.20
  4. Step 4: Simplify right side
    6,235.40x = 36,556,355.75
  5. Step 5: Solve for x
    x = 36,556,355.75/6,235.40
  6. Step 6: Final answer
    x = 5,862.71

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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.