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Finding the Fourth Proportional to 6,502.98, 8,974.07 and 3,518.79

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Solution

The fourth proportional to 6,502.98, 8,974.07 and 3,518.79 is: 4,855.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,502.98 : 8,974.07 = 3,518.79 : x
  2. Step 2: Convert to fraction form
    6,502.98/8,974.07 = 3,518.79/x
  3. Step 3: Cross multiply
    6,502.98x = 8,974.07 × 3,518.79
  4. Step 4: Simplify right side
    6,502.98x = 31,577,829.72
  5. Step 5: Solve for x
    x = 31,577,829.72/6,502.98
  6. Step 6: Final answer
    x = 4,855.90

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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.