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Finding the Fourth Proportional to 53,995.84, 80,996.20 and 16,553.18

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Solution

The fourth proportional to 53,995.84, 80,996.20 and 16,553.18 is: 24,830.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,995.84 : 80,996.20 = 16,553.18 : x
  2. Step 2: Convert to fraction form
    53,995.84/80,996.20 = 16,553.18/x
  3. Step 3: Cross multiply
    53,995.84x = 80,996.20 × 16,553.18
  4. Step 4: Simplify right side
    53,995.84x = 1,340,744,677.92
  5. Step 5: Solve for x
    x = 1,340,744,677.92/53,995.84
  6. Step 6: Final answer
    x = 24,830.52

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1.5x scale

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.