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Finding the Fourth Proportional to 7,308.63, 10,956.78 and 2,923.70

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Solution

The fourth proportional to 7,308.63, 10,956.78 and 2,923.70 is: 4,383.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,308.63 : 10,956.78 = 2,923.70 : x
  2. Step 2: Convert to fraction form
    7,308.63/10,956.78 = 2,923.70/x
  3. Step 3: Cross multiply
    7,308.63x = 10,956.78 × 2,923.70
  4. Step 4: Simplify right side
    7,308.63x = 32,034,282.90
  5. Step 5: Solve for x
    x = 32,034,282.90/7,308.63
  6. Step 6: Final answer
    x = 4,383.08

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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.