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Finding the Fourth Proportional to 32,708.80, 49,063.20 and 19,586.80

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Solution

The fourth proportional to 32,708.80, 49,063.20 and 19,586.80 is: 29,380.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,708.80 : 49,063.20 = 19,586.80 : x
  2. Step 2: Convert to fraction form
    32,708.80/49,063.20 = 19,586.80/x
  3. Step 3: Cross multiply
    32,708.80x = 49,063.20 × 19,586.80
  4. Step 4: Simplify right side
    32,708.80x = 960,991,085.76
  5. Step 5: Solve for x
    x = 960,991,085.76/32,708.80
  6. Step 6: Final answer
    x = 29,380.20

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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.