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Finding the Fourth Proportional to 34,566.03, 51,717.78 and 21,385.71

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Solution

The fourth proportional to 34,566.03, 51,717.78 and 21,385.71 is: 31,997.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,566.03 : 51,717.78 = 21,385.71 : x
  2. Step 2: Convert to fraction form
    34,566.03/51,717.78 = 21,385.71/x
  3. Step 3: Cross multiply
    34,566.03x = 51,717.78 × 21,385.71
  4. Step 4: Simplify right side
    34,566.03x = 1,106,021,444.92
  5. Step 5: Solve for x
    x = 1,106,021,444.92/34,566.03
  6. Step 6: Final answer
    x = 31,997.35

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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.