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Finding the Fourth Proportional to 14,899.72, 22,354.44 and 7,107.52

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Solution

The fourth proportional to 14,899.72, 22,354.44 and 7,107.52 is: 10,663.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,899.72 : 22,354.44 = 7,107.52 : x
  2. Step 2: Convert to fraction form
    14,899.72/22,354.44 = 7,107.52/x
  3. Step 3: Cross multiply
    14,899.72x = 22,354.44 × 7,107.52
  4. Step 4: Simplify right side
    14,899.72x = 158,884,629.39
  5. Step 5: Solve for x
    x = 158,884,629.39/14,899.72
  6. Step 6: Final answer
    x = 10,663.60

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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.