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Finding the Fourth Proportional to 61,657.66, 92,487.22 and 21,677.82

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Solution

The fourth proportional to 61,657.66, 92,487.22 and 21,677.82 is: 32,516.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,657.66 : 92,487.22 = 21,677.82 : x
  2. Step 2: Convert to fraction form
    61,657.66/92,487.22 = 21,677.82/x
  3. Step 3: Cross multiply
    61,657.66x = 92,487.22 × 21,677.82
  4. Step 4: Simplify right side
    61,657.66x = 2,004,921,307.46
  5. Step 5: Solve for x
    x = 2,004,921,307.46/61,657.66
  6. Step 6: Final answer
    x = 32,516.99

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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.