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Finding the Fourth Proportional to 8,295.57, 12,445.29 and 2,748.51

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Solution

The fourth proportional to 8,295.57, 12,445.29 and 2,748.51 is: 4,123.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,295.57 : 12,445.29 = 2,748.51 : x
  2. Step 2: Convert to fraction form
    8,295.57/12,445.29 = 2,748.51/x
  3. Step 3: Cross multiply
    8,295.57x = 12,445.29 × 2,748.51
  4. Step 4: Simplify right side
    8,295.57x = 34,206,004.02
  5. Step 5: Solve for x
    x = 34,206,004.02/8,295.57
  6. Step 6: Final answer
    x = 4,123.41

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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.