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Finding the Fourth Proportional to 44,753.40, 67,053.30 and 21,329.40

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Solution

The fourth proportional to 44,753.40, 67,053.30 and 21,329.40 is: 31,957.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,753.40 : 67,053.30 = 21,329.40 : x
  2. Step 2: Convert to fraction form
    44,753.40/67,053.30 = 21,329.40/x
  3. Step 3: Cross multiply
    44,753.40x = 67,053.30 × 21,329.40
  4. Step 4: Simplify right side
    44,753.40x = 1,430,206,657.02
  5. Step 5: Solve for x
    x = 1,430,206,657.02/44,753.40
  6. Step 6: Final answer
    x = 31,957.50

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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.