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Finding the Fourth Proportional to 61,656.66, 92,492.10 and 21,663.36

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Solution

The fourth proportional to 61,656.66, 92,492.10 and 21,663.36 is: 32,497.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,656.66 : 92,492.10 = 21,663.36 : x
  2. Step 2: Convert to fraction form
    61,656.66/92,492.10 = 21,663.36/x
  3. Step 3: Cross multiply
    61,656.66x = 92,492.10 × 21,663.36
  4. Step 4: Simplify right side
    61,656.66x = 2,003,689,659.46
  5. Step 5: Solve for x
    x = 2,003,689,659.46/61,656.66
  6. Step 6: Final answer
    x = 32,497.54

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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.