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Finding the Fourth Proportional to 56,019.96, 84,026.97 and 20,956.95

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Solution

The fourth proportional to 56,019.96, 84,026.97 and 20,956.95 is: 31,434.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,019.96 : 84,026.97 = 20,956.95 : x
  2. Step 2: Convert to fraction form
    56,019.96/84,026.97 = 20,956.95/x
  3. Step 3: Cross multiply
    56,019.96x = 84,026.97 × 20,956.95
  4. Step 4: Simplify right side
    56,019.96x = 1,760,949,008.94
  5. Step 5: Solve for x
    x = 1,760,949,008.94/56,019.96
  6. Step 6: Final answer
    x = 31,434.31

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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.