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Finding the Fourth Proportional to 37,333, 51,520.44 and 20,566

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Solution

The fourth proportional to 37,333, 51,520.44 and 20,566 is: 28,381.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,333 : 51,520.44 = 20,566 : x
  2. Step 2: Convert to fraction form
    37,333/51,520.44 = 20,566/x
  3. Step 3: Cross multiply
    37,333x = 51,520.44 × 20,566
  4. Step 4: Simplify right side
    37,333x = 1,059,569,369.04
  5. Step 5: Solve for x
    x = 1,059,569,369.04/37,333
  6. Step 6: Final answer
    x = 28,381.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.