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Finding the Fourth Proportional to 43,998.60, 66,030.30 and 17,722.20

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Solution

The fourth proportional to 43,998.60, 66,030.30 and 17,722.20 is: 26,596.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,998.60 : 66,030.30 = 17,722.20 : x
  2. Step 2: Convert to fraction form
    43,998.60/66,030.30 = 17,722.20/x
  3. Step 3: Cross multiply
    43,998.60x = 66,030.30 × 17,722.20
  4. Step 4: Simplify right side
    43,998.60x = 1,170,202,182.66
  5. Step 5: Solve for x
    x = 1,170,202,182.66/43,998.60
  6. Step 6: Final answer
    x = 26,596.35

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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.