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Finding the Fourth Proportional to 5,042.91, 6,991.11 and 4,776.32

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Solution

The fourth proportional to 5,042.91, 6,991.11 and 4,776.32 is: 6,621.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,042.91 : 6,991.11 = 4,776.32 : x
  2. Step 2: Convert to fraction form
    5,042.91/6,991.11 = 4,776.32/x
  3. Step 3: Cross multiply
    5,042.91x = 6,991.11 × 4,776.32
  4. Step 4: Simplify right side
    5,042.91x = 33,391,756.67
  5. Step 5: Solve for x
    x = 33,391,756.67/5,042.91
  6. Step 6: Final answer
    x = 6,621.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.