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Finding the Fourth Proportional to 55,997.76, 83,998.26 and 14,444.76

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Solution

The fourth proportional to 55,997.76, 83,998.26 and 14,444.76 is: 21,667.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,997.76 : 83,998.26 = 14,444.76 : x
  2. Step 2: Convert to fraction form
    55,997.76/83,998.26 = 14,444.76/x
  3. Step 3: Cross multiply
    55,997.76x = 83,998.26 × 14,444.76
  4. Step 4: Simplify right side
    55,997.76x = 1,213,334,706.12
  5. Step 5: Solve for x
    x = 1,213,334,706.12/55,997.76
  6. Step 6: Final answer
    x = 21,667.56

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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.