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Finding the Fourth Proportional to 22,018.61, 32,986.39 and 17,064.03

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Solution

The fourth proportional to 22,018.61, 32,986.39 and 17,064.03 is: 25,563.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,018.61 : 32,986.39 = 17,064.03 : x
  2. Step 2: Convert to fraction form
    22,018.61/32,986.39 = 17,064.03/x
  3. Step 3: Cross multiply
    22,018.61x = 32,986.39 × 17,064.03
  4. Step 4: Simplify right side
    22,018.61x = 562,880,748.55
  5. Step 5: Solve for x
    x = 562,880,748.55/22,018.61
  6. Step 6: Final answer
    x = 25,563.86

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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.