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Finding the Fourth Proportional to 61,657.88, 92,498.49 and 19,548.57

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Solution

The fourth proportional to 61,657.88, 92,498.49 and 19,548.57 is: 29,326.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,657.88 : 92,498.49 = 19,548.57 : x
  2. Step 2: Convert to fraction form
    61,657.88/92,498.49 = 19,548.57/x
  3. Step 3: Cross multiply
    61,657.88x = 92,498.49 × 19,548.57
  4. Step 4: Simplify right side
    61,657.88x = 1,808,212,823.14
  5. Step 5: Solve for x
    x = 1,808,212,823.14/61,657.88
  6. Step 6: Final answer
    x = 29,326.55

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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.