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Finding the Fourth Proportional to 60,611.95, 90,932.23 and 19,058.95

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Solution

The fourth proportional to 60,611.95, 90,932.23 and 19,058.95 is: 28,592.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,611.95 : 90,932.23 = 19,058.95 : x
  2. Step 2: Convert to fraction form
    60,611.95/90,932.23 = 19,058.95/x
  3. Step 3: Cross multiply
    60,611.95x = 90,932.23 × 19,058.95
  4. Step 4: Simplify right side
    60,611.95x = 1,733,072,824.96
  5. Step 5: Solve for x
    x = 1,733,072,824.96/60,611.95
  6. Step 6: Final answer
    x = 28,592.92

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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.