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Finding the Fourth Proportional to 31,794.98, 47,692.80 and 9,608.54

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Solution

The fourth proportional to 31,794.98, 47,692.80 and 9,608.54 is: 14,412.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,794.98 : 47,692.80 = 9,608.54 : x
  2. Step 2: Convert to fraction form
    31,794.98/47,692.80 = 9,608.54/x
  3. Step 3: Cross multiply
    31,794.98x = 47,692.80 × 9,608.54
  4. Step 4: Simplify right side
    31,794.98x = 458,258,176.51
  5. Step 5: Solve for x
    x = 458,258,176.51/31,794.98
  6. Step 6: Final answer
    x = 14,412.91

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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.