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Finding the Fourth Proportional to 6,613.89, 9,924.08 and 2,664.98

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Solution

The fourth proportional to 6,613.89, 9,924.08 and 2,664.98 is: 3,998.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,613.89 : 9,924.08 = 2,664.98 : x
  2. Step 2: Convert to fraction form
    6,613.89/9,924.08 = 2,664.98/x
  3. Step 3: Cross multiply
    6,613.89x = 9,924.08 × 2,664.98
  4. Step 4: Simplify right side
    6,613.89x = 26,447,411.77
  5. Step 5: Solve for x
    x = 26,447,411.77/6,613.89
  6. Step 6: Final answer
    x = 3,998.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.