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Finding the Fourth Proportional to 32,657.44, 45,112.76 and 31,443.68

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Solution

The fourth proportional to 32,657.44, 45,112.76 and 31,443.68 is: 43,436.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,657.44 : 45,112.76 = 31,443.68 : x
  2. Step 2: Convert to fraction form
    32,657.44/45,112.76 = 31,443.68/x
  3. Step 3: Cross multiply
    32,657.44x = 45,112.76 × 31,443.68
  4. Step 4: Simplify right side
    32,657.44x = 1,418,511,189.36
  5. Step 5: Solve for x
    x = 1,418,511,189.36/32,657.44
  6. Step 6: Final answer
    x = 43,436.08

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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.