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Finding the Fourth Proportional to 4,815.79, 7,210.64 and 2,502.43

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Solution

The fourth proportional to 4,815.79, 7,210.64 and 2,502.43 is: 3,746.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,815.79 : 7,210.64 = 2,502.43 : x
  2. Step 2: Convert to fraction form
    4,815.79/7,210.64 = 2,502.43/x
  3. Step 3: Cross multiply
    4,815.79x = 7,210.64 × 2,502.43
  4. Step 4: Simplify right side
    4,815.79x = 18,044,110.08
  5. Step 5: Solve for x
    x = 18,044,110.08/4,815.79
  6. Step 6: Final answer
    x = 3,746.87

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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.