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Finding the Fourth Proportional to 29,538.54, 44,260.80 and 20,670.66

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Solution

The fourth proportional to 29,538.54, 44,260.80 and 20,670.66 is: 30,973.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,538.54 : 44,260.80 = 20,670.66 : x
  2. Step 2: Convert to fraction form
    29,538.54/44,260.80 = 20,670.66/x
  3. Step 3: Cross multiply
    29,538.54x = 44,260.80 × 20,670.66
  4. Step 4: Simplify right side
    29,538.54x = 914,899,948.13
  5. Step 5: Solve for x
    x = 914,899,948.13/29,538.54
  6. Step 6: Final answer
    x = 30,973.09

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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.