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Finding the Fourth Proportional to 59,755.68, 89,647.02 and 19,774.56

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Solution

The fourth proportional to 59,755.68, 89,647.02 and 19,774.56 is: 29,666.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,755.68 : 89,647.02 = 19,774.56 : x
  2. Step 2: Convert to fraction form
    59,755.68/89,647.02 = 19,774.56/x
  3. Step 3: Cross multiply
    59,755.68x = 89,647.02 × 19,774.56
  4. Step 4: Simplify right side
    59,755.68x = 1,772,730,375.81
  5. Step 5: Solve for x
    x = 1,772,730,375.81/59,755.68
  6. Step 6: Final answer
    x = 29,666.31

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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.