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Finding the Fourth Proportional to 19,852.44, 29,770.71 and 8,751.23

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Solution

The fourth proportional to 19,852.44, 29,770.71 and 8,751.23 is: 13,123.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,852.44 : 29,770.71 = 8,751.23 : x
  2. Step 2: Convert to fraction form
    19,852.44/29,770.71 = 8,751.23/x
  3. Step 3: Cross multiply
    19,852.44x = 29,770.71 × 8,751.23
  4. Step 4: Simplify right side
    19,852.44x = 260,530,427.90
  5. Step 5: Solve for x
    x = 260,530,427.90/19,852.44
  6. Step 6: Final answer
    x = 13,123.35

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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.