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Finding the Fourth Proportional to 53,998.56, 81,049.68 and 26,316

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Solution

The fourth proportional to 53,998.56, 81,049.68 and 26,316 is: 39,499.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,998.56 : 81,049.68 = 26,316 : x
  2. Step 2: Convert to fraction form
    53,998.56/81,049.68 = 26,316/x
  3. Step 3: Cross multiply
    53,998.56x = 81,049.68 × 26,316
  4. Step 4: Simplify right side
    53,998.56x = 2,132,903,378.88
  5. Step 5: Solve for x
    x = 2,132,903,378.88/53,998.56
  6. Step 6: Final answer
    x = 39,499.26

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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.