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Finding the Fourth Proportional to 6,047.18, 8,338.77 and 4,786.22

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Solution

The fourth proportional to 6,047.18, 8,338.77 and 4,786.22 is: 6,599.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,047.18 : 8,338.77 = 4,786.22 : x
  2. Step 2: Convert to fraction form
    6,047.18/8,338.77 = 4,786.22/x
  3. Step 3: Cross multiply
    6,047.18x = 8,338.77 × 4,786.22
  4. Step 4: Simplify right side
    6,047.18x = 39,911,187.75
  5. Step 5: Solve for x
    x = 39,911,187.75/6,047.18
  6. Step 6: Final answer
    x = 6,599.97

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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.