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Finding the Fourth Proportional to 61,809.10, 92,672.68 and 22,361.08

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Solution

The fourth proportional to 61,809.10, 92,672.68 and 22,361.08 is: 33,526.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,809.10 : 92,672.68 = 22,361.08 : x
  2. Step 2: Convert to fraction form
    61,809.10/92,672.68 = 22,361.08/x
  3. Step 3: Cross multiply
    61,809.10x = 92,672.68 × 22,361.08
  4. Step 4: Simplify right side
    61,809.10x = 2,072,261,211.29
  5. Step 5: Solve for x
    x = 2,072,261,211.29/61,809.10
  6. Step 6: Final answer
    x = 33,526.80

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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.