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Finding the Fourth Proportional to 6,620.51, 9,924.48 and 2,457.68

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Solution

The fourth proportional to 6,620.51, 9,924.48 and 2,457.68 is: 3,684.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,620.51 : 9,924.48 = 2,457.68 : x
  2. Step 2: Convert to fraction form
    6,620.51/9,924.48 = 2,457.68/x
  3. Step 3: Cross multiply
    6,620.51x = 9,924.48 × 2,457.68
  4. Step 4: Simplify right side
    6,620.51x = 24,391,146.38
  5. Step 5: Solve for x
    x = 24,391,146.38/6,620.51
  6. Step 6: Final answer
    x = 3,684.18

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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.