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Finding the Fourth Proportional to 19,606.80, 29,410.20 and 5,566.80

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Solution

The fourth proportional to 19,606.80, 29,410.20 and 5,566.80 is: 8,350.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,606.80 : 29,410.20 = 5,566.80 : x
  2. Step 2: Convert to fraction form
    19,606.80/29,410.20 = 5,566.80/x
  3. Step 3: Cross multiply
    19,606.80x = 29,410.20 × 5,566.80
  4. Step 4: Simplify right side
    19,606.80x = 163,720,701.36
  5. Step 5: Solve for x
    x = 163,720,701.36/19,606.80
  6. Step 6: Final answer
    x = 8,350.20

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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.