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Finding the Fourth Proportional to 22,302.08, 30,764.04 and 13,904

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Solution

The fourth proportional to 22,302.08, 30,764.04 and 13,904 is: 19,179.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,302.08 : 30,764.04 = 13,904 : x
  2. Step 2: Convert to fraction form
    22,302.08/30,764.04 = 13,904/x
  3. Step 3: Cross multiply
    22,302.08x = 30,764.04 × 13,904
  4. Step 4: Simplify right side
    22,302.08x = 427,743,212.16
  5. Step 5: Solve for x
    x = 427,743,212.16/22,302.08
  6. Step 6: Final answer
    x = 19,179.52

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.