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Finding the Fourth Proportional to 57,555.98, 86,346.32 and 32,607.98

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Solution

The fourth proportional to 57,555.98, 86,346.32 and 32,607.98 is: 48,918.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,555.98 : 86,346.32 = 32,607.98 : x
  2. Step 2: Convert to fraction form
    57,555.98/86,346.32 = 32,607.98/x
  3. Step 3: Cross multiply
    57,555.98x = 86,346.32 × 32,607.98
  4. Step 4: Simplify right side
    57,555.98x = 2,815,578,859.77
  5. Step 5: Solve for x
    x = 2,815,578,859.77/57,555.98
  6. Step 6: Final answer
    x = 48,918.97

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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.