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Finding the Fourth Proportional to 31,932.51, 44,063.51 and 18,507.98

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Solution

The fourth proportional to 31,932.51, 44,063.51 and 18,507.98 is: 25,539.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,932.51 : 44,063.51 = 18,507.98 : x
  2. Step 2: Convert to fraction form
    31,932.51/44,063.51 = 18,507.98/x
  3. Step 3: Cross multiply
    31,932.51x = 44,063.51 × 18,507.98
  4. Step 4: Simplify right side
    31,932.51x = 815,526,248.95
  5. Step 5: Solve for x
    x = 815,526,248.95/31,932.51
  6. Step 6: Final answer
    x = 25,539.06

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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.