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Finding the Fourth Proportional to 35,681.56, 53,495.88 and 21,644.68

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Solution

The fourth proportional to 35,681.56, 53,495.88 and 21,644.68 is: 32,450.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,681.56 : 53,495.88 = 21,644.68 : x
  2. Step 2: Convert to fraction form
    35,681.56/53,495.88 = 21,644.68/x
  3. Step 3: Cross multiply
    35,681.56x = 53,495.88 × 21,644.68
  4. Step 4: Simplify right side
    35,681.56x = 1,157,901,203.92
  5. Step 5: Solve for x
    x = 1,157,901,203.92/35,681.56
  6. Step 6: Final answer
    x = 32,450.97

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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.