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Finding the Fourth Proportional to 31,579.57, 47,369.35 and 9,393.26

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Solution

The fourth proportional to 31,579.57, 47,369.35 and 9,393.26 is: 14,089.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,579.57 : 47,369.35 = 9,393.26 : x
  2. Step 2: Convert to fraction form
    31,579.57/47,369.35 = 9,393.26/x
  3. Step 3: Cross multiply
    31,579.57x = 47,369.35 × 9,393.26
  4. Step 4: Simplify right side
    31,579.57x = 444,952,620.58
  5. Step 5: Solve for x
    x = 444,952,620.58/31,579.57
  6. Step 6: Final answer
    x = 14,089.89

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1.5x scale

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.