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Finding the Fourth Proportional to 6,938.01, 10,411.16 and 2,558.52

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Solution

The fourth proportional to 6,938.01, 10,411.16 and 2,558.52 is: 3,839.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,938.01 : 10,411.16 = 2,558.52 : x
  2. Step 2: Convert to fraction form
    6,938.01/10,411.16 = 2,558.52/x
  3. Step 3: Cross multiply
    6,938.01x = 10,411.16 × 2,558.52
  4. Step 4: Simplify right side
    6,938.01x = 26,637,148.29
  5. Step 5: Solve for x
    x = 26,637,148.29/6,938.01
  6. Step 6: Final answer
    x = 3,839.31

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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.