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Finding the Fourth Proportional to 56,672.25, 84,985.68 and 17,222.01

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Solution

The fourth proportional to 56,672.25, 84,985.68 and 17,222.01 is: 25,826.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,672.25 : 84,985.68 = 17,222.01 : x
  2. Step 2: Convert to fraction form
    56,672.25/84,985.68 = 17,222.01/x
  3. Step 3: Cross multiply
    56,672.25x = 84,985.68 × 17,222.01
  4. Step 4: Simplify right side
    56,672.25x = 1,463,624,230.82
  5. Step 5: Solve for x
    x = 1,463,624,230.82/56,672.25
  6. Step 6: Final answer
    x = 25,826.12

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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.