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Finding the Fourth Proportional to 15,163.02, 22,748.22 and 4,774.77

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Solution

The fourth proportional to 15,163.02, 22,748.22 and 4,774.77 is: 7,163.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,163.02 : 22,748.22 = 4,774.77 : x
  2. Step 2: Convert to fraction form
    15,163.02/22,748.22 = 4,774.77/x
  3. Step 3: Cross multiply
    15,163.02x = 22,748.22 × 4,774.77
  4. Step 4: Simplify right side
    15,163.02x = 108,617,518.41
  5. Step 5: Solve for x
    x = 108,617,518.41/15,163.02
  6. Step 6: Final answer
    x = 7,163.32

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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.