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Finding the Fourth Proportional to 61,256.44, 91,861.98 and 21,802.96

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Solution

The fourth proportional to 61,256.44, 91,861.98 and 21,802.96 is: 32,696.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,256.44 : 91,861.98 = 21,802.96 : x
  2. Step 2: Convert to fraction form
    61,256.44/91,861.98 = 21,802.96/x
  3. Step 3: Cross multiply
    61,256.44x = 91,861.98 × 21,802.96
  4. Step 4: Simplify right side
    61,256.44x = 2,002,863,075.46
  5. Step 5: Solve for x
    x = 2,002,863,075.46/61,256.44
  6. Step 6: Final answer
    x = 32,696.37

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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.