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Finding the Fourth Proportional to 8,903.79, 13,357.31 and 3,058.97

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Solution

The fourth proportional to 8,903.79, 13,357.31 and 3,058.97 is: 4,589.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,903.79 : 13,357.31 = 3,058.97 : x
  2. Step 2: Convert to fraction form
    8,903.79/13,357.31 = 3,058.97/x
  3. Step 3: Cross multiply
    8,903.79x = 13,357.31 × 3,058.97
  4. Step 4: Simplify right side
    8,903.79x = 40,859,528.49
  5. Step 5: Solve for x
    x = 40,859,528.49/8,903.79
  6. Step 6: Final answer
    x = 4,589.00

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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.