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Finding the Fourth Proportional to 62,833.50, 94,267.26 and 21,280.50

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Solution

The fourth proportional to 62,833.50, 94,267.26 and 21,280.50 is: 31,926.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,833.50 : 94,267.26 = 21,280.50 : x
  2. Step 2: Convert to fraction form
    62,833.50/94,267.26 = 21,280.50/x
  3. Step 3: Cross multiply
    62,833.50x = 94,267.26 × 21,280.50
  4. Step 4: Simplify right side
    62,833.50x = 2,006,054,426.43
  5. Step 5: Solve for x
    x = 2,006,054,426.43/62,833.50
  6. Step 6: Final answer
    x = 31,926.51

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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.