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Finding the Fourth Proportional to 31,751.25, 43,814.97 and 17,602.98

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Solution

The fourth proportional to 31,751.25, 43,814.97 and 17,602.98 is: 24,291.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,751.25 : 43,814.97 = 17,602.98 : x
  2. Step 2: Convert to fraction form
    31,751.25/43,814.97 = 17,602.98/x
  3. Step 3: Cross multiply
    31,751.25x = 43,814.97 × 17,602.98
  4. Step 4: Simplify right side
    31,751.25x = 771,274,040.61
  5. Step 5: Solve for x
    x = 771,274,040.61/31,751.25
  6. Step 6: Final answer
    x = 24,291.14

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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.