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Finding the Fourth Proportional to 61,980.87, 92,960.55 and 17,597.25

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Solution

The fourth proportional to 61,980.87, 92,960.55 and 17,597.25 is: 26,392.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,980.87 : 92,960.55 = 17,597.25 : x
  2. Step 2: Convert to fraction form
    61,980.87/92,960.55 = 17,597.25/x
  3. Step 3: Cross multiply
    61,980.87x = 92,960.55 × 17,597.25
  4. Step 4: Simplify right side
    61,980.87x = 1,635,850,038.49
  5. Step 5: Solve for x
    x = 1,635,850,038.49/61,980.87
  6. Step 6: Final answer
    x = 26,392.82

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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.