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Finding the Fourth Proportional to 7,934.02, 11,902.04 and 2,666.77

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Solution

The fourth proportional to 7,934.02, 11,902.04 and 2,666.77 is: 4,000.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,934.02 : 11,902.04 = 2,666.77 : x
  2. Step 2: Convert to fraction form
    7,934.02/11,902.04 = 2,666.77/x
  3. Step 3: Cross multiply
    7,934.02x = 11,902.04 × 2,666.77
  4. Step 4: Simplify right side
    7,934.02x = 31,740,003.21
  5. Step 5: Solve for x
    x = 31,740,003.21/7,934.02
  6. Step 6: Final answer
    x = 4,000.49

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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.