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Finding the Fourth Proportional to 3,968.19, 5,953.10 and 1,502.55

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Solution

The fourth proportional to 3,968.19, 5,953.10 and 1,502.55 is: 2,254.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,968.19 : 5,953.10 = 1,502.55 : x
  2. Step 2: Convert to fraction form
    3,968.19/5,953.10 = 1,502.55/x
  3. Step 3: Cross multiply
    3,968.19x = 5,953.10 × 1,502.55
  4. Step 4: Simplify right side
    3,968.19x = 8,944,822.89
  5. Step 5: Solve for x
    x = 8,944,822.89/3,968.19
  6. Step 6: Final answer
    x = 2,254.13

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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.