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Finding the Fourth Proportional to 59,697.72, 89,557.86 and 17,577.72

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Solution

The fourth proportional to 59,697.72, 89,557.86 and 17,577.72 is: 26,369.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,697.72 : 89,557.86 = 17,577.72 : x
  2. Step 2: Convert to fraction form
    59,697.72/89,557.86 = 17,577.72/x
  3. Step 3: Cross multiply
    59,697.72x = 89,557.86 × 17,577.72
  4. Step 4: Simplify right side
    59,697.72x = 1,574,222,986.88
  5. Step 5: Solve for x
    x = 1,574,222,986.88/59,697.72
  6. Step 6: Final answer
    x = 26,369.90

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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.