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Finding the Fourth Proportional to 5,777.58, 7,976.01 and 4,006.11

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Solution

The fourth proportional to 5,777.58, 7,976.01 and 4,006.11 is: 5,530.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,777.58 : 7,976.01 = 4,006.11 : x
  2. Step 2: Convert to fraction form
    5,777.58/7,976.01 = 4,006.11/x
  3. Step 3: Cross multiply
    5,777.58x = 7,976.01 × 4,006.11
  4. Step 4: Simplify right side
    5,777.58x = 31,952,773.42
  5. Step 5: Solve for x
    x = 31,952,773.42/5,777.58
  6. Step 6: Final answer
    x = 5,530.48

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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.