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Finding the Fourth Proportional to 84,924.96, 127,343.70 and 31,594.97

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Solution

The fourth proportional to 84,924.96, 127,343.70 and 31,594.97 is: 47,376.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,924.96 : 127,343.70 = 31,594.97 : x
  2. Step 2: Convert to fraction form
    84,924.96/127,343.70 = 31,594.97/x
  3. Step 3: Cross multiply
    84,924.96x = 127,343.70 × 31,594.97
  4. Step 4: Simplify right side
    84,924.96x = 4,023,419,744.47
  5. Step 5: Solve for x
    x = 4,023,419,744.47/84,924.96
  6. Step 6: Final answer
    x = 47,376.17

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.