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Finding the Fourth Proportional to 19,602.60, 29,566.20 and 18,306.60

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Solution

The fourth proportional to 19,602.60, 29,566.20 and 18,306.60 is: 27,611.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,602.60 : 29,566.20 = 18,306.60 : x
  2. Step 2: Convert to fraction form
    19,602.60/29,566.20 = 18,306.60/x
  3. Step 3: Cross multiply
    19,602.60x = 29,566.20 × 18,306.60
  4. Step 4: Simplify right side
    19,602.60x = 541,256,596.92
  5. Step 5: Solve for x
    x = 541,256,596.92/19,602.60
  6. Step 6: Final answer
    x = 27,611.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.