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Finding the Fourth Proportional to 29,071.20, 43,606.80 and 10,600.80

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Solution

The fourth proportional to 29,071.20, 43,606.80 and 10,600.80 is: 15,901.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,071.20 : 43,606.80 = 10,600.80 : x
  2. Step 2: Convert to fraction form
    29,071.20/43,606.80 = 10,600.80/x
  3. Step 3: Cross multiply
    29,071.20x = 43,606.80 × 10,600.80
  4. Step 4: Simplify right side
    29,071.20x = 462,266,965.44
  5. Step 5: Solve for x
    x = 462,266,965.44/29,071.20
  6. Step 6: Final answer
    x = 15,901.20

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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.