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Finding the Fourth Proportional to 38,402.75, 57,604.73 and 10,700.75

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Solution

The fourth proportional to 38,402.75, 57,604.73 and 10,700.75 is: 16,051.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,402.75 : 57,604.73 = 10,700.75 : x
  2. Step 2: Convert to fraction form
    38,402.75/57,604.73 = 10,700.75/x
  3. Step 3: Cross multiply
    38,402.75x = 57,604.73 × 10,700.75
  4. Step 4: Simplify right side
    38,402.75x = 616,413,814.55
  5. Step 5: Solve for x
    x = 616,413,814.55/38,402.75
  6. Step 6: Final answer
    x = 16,051.29

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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.