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Finding the Fourth Proportional to 61,663.84, 92,496.46 and 21,684.01

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Solution

The fourth proportional to 61,663.84, 92,496.46 and 21,684.01 is: 32,526.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,663.84 : 92,496.46 = 21,684.01 : x
  2. Step 2: Convert to fraction form
    61,663.84/92,496.46 = 21,684.01/x
  3. Step 3: Cross multiply
    61,663.84x = 92,496.46 × 21,684.01
  4. Step 4: Simplify right side
    61,663.84x = 2,005,694,537.57
  5. Step 5: Solve for x
    x = 2,005,694,537.57/61,663.84
  6. Step 6: Final answer
    x = 32,526.27

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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.