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Finding the Fourth Proportional to 8,709.96, 12,019.68 and 4,933.04

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Solution

The fourth proportional to 8,709.96, 12,019.68 and 4,933.04 is: 6,807.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,709.96 : 12,019.68 = 4,933.04 : x
  2. Step 2: Convert to fraction form
    8,709.96/12,019.68 = 4,933.04/x
  3. Step 3: Cross multiply
    8,709.96x = 12,019.68 × 4,933.04
  4. Step 4: Simplify right side
    8,709.96x = 59,293,562.23
  5. Step 5: Solve for x
    x = 59,293,562.23/8,709.96
  6. Step 6: Final answer
    x = 6,807.56

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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.