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Finding the Fourth Proportional to 22,956.60, 34,370.10 and 22,308.60

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Solution

The fourth proportional to 22,956.60, 34,370.10 and 22,308.60 is: 33,399.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,956.60 : 34,370.10 = 22,308.60 : x
  2. Step 2: Convert to fraction form
    22,956.60/34,370.10 = 22,308.60/x
  3. Step 3: Cross multiply
    22,956.60x = 34,370.10 × 22,308.60
  4. Step 4: Simplify right side
    22,956.60x = 766,748,812.86
  5. Step 5: Solve for x
    x = 766,748,812.86/22,956.60
  6. Step 6: Final answer
    x = 33,399.93

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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.