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Finding the Fourth Proportional to 6,207.77, 8,570.07 and 4,788.38

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Solution

The fourth proportional to 6,207.77, 8,570.07 and 4,788.38 is: 6,610.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,207.77 : 8,570.07 = 4,788.38 : x
  2. Step 2: Convert to fraction form
    6,207.77/8,570.07 = 4,788.38/x
  3. Step 3: Cross multiply
    6,207.77x = 8,570.07 × 4,788.38
  4. Step 4: Simplify right side
    6,207.77x = 41,036,708.94
  5. Step 5: Solve for x
    x = 41,036,708.94/6,207.77
  6. Step 6: Final answer
    x = 6,610.54

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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.