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Finding the Fourth Proportional to 6,777.74, 10,092.18 and 6,703.32

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Solution

The fourth proportional to 6,777.74, 10,092.18 and 6,703.32 is: 9,981.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,777.74 : 10,092.18 = 6,703.32 : x
  2. Step 2: Convert to fraction form
    6,777.74/10,092.18 = 6,703.32/x
  3. Step 3: Cross multiply
    6,777.74x = 10,092.18 × 6,703.32
  4. Step 4: Simplify right side
    6,777.74x = 67,651,118.25
  5. Step 5: Solve for x
    x = 67,651,118.25/6,777.74
  6. Step 6: Final answer
    x = 9,981.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.