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Finding the Fourth Proportional to 23,234.70, 34,852.05 and 13,368.90

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Solution

The fourth proportional to 23,234.70, 34,852.05 and 13,368.90 is: 20,053.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,234.70 : 34,852.05 = 13,368.90 : x
  2. Step 2: Convert to fraction form
    23,234.70/34,852.05 = 13,368.90/x
  3. Step 3: Cross multiply
    23,234.70x = 34,852.05 × 13,368.90
  4. Step 4: Simplify right side
    23,234.70x = 465,933,571.25
  5. Step 5: Solve for x
    x = 465,933,571.25/23,234.70
  6. Step 6: Final answer
    x = 20,053.35

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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.