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Finding the Fourth Proportional to 62,851.76, 94,293 and 21,299.12

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Solution

The fourth proportional to 62,851.76, 94,293 and 21,299.12 is: 31,953.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,851.76 : 94,293 = 21,299.12 : x
  2. Step 2: Convert to fraction form
    62,851.76/94,293 = 21,299.12/x
  3. Step 3: Cross multiply
    62,851.76x = 94,293 × 21,299.12
  4. Step 4: Simplify right side
    62,851.76x = 2,008,357,922.16
  5. Step 5: Solve for x
    x = 2,008,357,922.16/62,851.76
  6. Step 6: Final answer
    x = 31,953.89

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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.