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Finding the Fourth Proportional to 31,848.56, 43,951.02 and 17,701.40

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Solution

The fourth proportional to 31,848.56, 43,951.02 and 17,701.40 is: 24,427.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,848.56 : 43,951.02 = 17,701.40 : x
  2. Step 2: Convert to fraction form
    31,848.56/43,951.02 = 17,701.40/x
  3. Step 3: Cross multiply
    31,848.56x = 43,951.02 × 17,701.40
  4. Step 4: Simplify right side
    31,848.56x = 777,994,585.43
  5. Step 5: Solve for x
    x = 777,994,585.43/31,848.56
  6. Step 6: Final answer
    x = 24,427.94

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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.