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Finding the Fourth Proportional to 21,846.60, 32,773.14 and 7,052.76

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Solution

The fourth proportional to 21,846.60, 32,773.14 and 7,052.76 is: 10,580.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,846.60 : 32,773.14 = 7,052.76 : x
  2. Step 2: Convert to fraction form
    21,846.60/32,773.14 = 7,052.76/x
  3. Step 3: Cross multiply
    21,846.60x = 32,773.14 × 7,052.76
  4. Step 4: Simplify right side
    21,846.60x = 231,141,090.87
  5. Step 5: Solve for x
    x = 231,141,090.87/21,846.60
  6. Step 6: Final answer
    x = 10,580.19

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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.