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Finding the Fourth Proportional to 32,812.40, 49,105.20 and 19,674.20

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Solution

The fourth proportional to 32,812.40, 49,105.20 and 19,674.20 is: 29,443.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,812.40 : 49,105.20 = 19,674.20 : x
  2. Step 2: Convert to fraction form
    32,812.40/49,105.20 = 19,674.20/x
  3. Step 3: Cross multiply
    32,812.40x = 49,105.20 × 19,674.20
  4. Step 4: Simplify right side
    32,812.40x = 966,105,525.84
  5. Step 5: Solve for x
    x = 966,105,525.84/32,812.40
  6. Step 6: Final answer
    x = 29,443.31

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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.