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Finding the Fourth Proportional to 62,853.76, 94,296 and 21,301.12

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Solution

The fourth proportional to 62,853.76, 94,296 and 21,301.12 is: 31,956.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,853.76 : 94,296 = 21,301.12 : x
  2. Step 2: Convert to fraction form
    62,853.76/94,296 = 21,301.12/x
  3. Step 3: Cross multiply
    62,853.76x = 94,296 × 21,301.12
  4. Step 4: Simplify right side
    62,853.76x = 2,008,610,411.52
  5. Step 5: Solve for x
    x = 2,008,610,411.52/62,853.76
  6. Step 6: Final answer
    x = 31,956.89

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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.