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Finding the Fourth Proportional to 5,954.82, 8,931.20 and 1,572.32

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Solution

The fourth proportional to 5,954.82, 8,931.20 and 1,572.32 is: 2,358.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,954.82 : 8,931.20 = 1,572.32 : x
  2. Step 2: Convert to fraction form
    5,954.82/8,931.20 = 1,572.32/x
  3. Step 3: Cross multiply
    5,954.82x = 8,931.20 × 1,572.32
  4. Step 4: Simplify right side
    5,954.82x = 14,042,704.38
  5. Step 5: Solve for x
    x = 14,042,704.38/5,954.82
  6. Step 6: Final answer
    x = 2,358.21

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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.