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Finding the Fourth Proportional to 38,873.44, 53,671.17 and 29,905.12

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Solution

The fourth proportional to 38,873.44, 53,671.17 and 29,905.12 is: 41,288.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,873.44 : 53,671.17 = 29,905.12 : x
  2. Step 2: Convert to fraction form
    38,873.44/53,671.17 = 29,905.12/x
  3. Step 3: Cross multiply
    38,873.44x = 53,671.17 × 29,905.12
  4. Step 4: Simplify right side
    38,873.44x = 1,605,042,779.39
  5. Step 5: Solve for x
    x = 1,605,042,779.39/38,873.44
  6. Step 6: Final answer
    x = 41,288.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.