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Finding the Fourth Proportional to 29,289.57, 43,933.96 and 7,103.16

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Solution

The fourth proportional to 29,289.57, 43,933.96 and 7,103.16 is: 10,654.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,289.57 : 43,933.96 = 7,103.16 : x
  2. Step 2: Convert to fraction form
    29,289.57/43,933.96 = 7,103.16/x
  3. Step 3: Cross multiply
    29,289.57x = 43,933.96 × 7,103.16
  4. Step 4: Simplify right side
    29,289.57x = 312,069,956.19
  5. Step 5: Solve for x
    x = 312,069,956.19/29,289.57
  6. Step 6: Final answer
    x = 10,654.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.