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Finding the Fourth Proportional to 22,390.36, 33,585.56 and 6,808

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Solution

The fourth proportional to 22,390.36, 33,585.56 and 6,808 is: 10,212.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,390.36 : 33,585.56 = 6,808 : x
  2. Step 2: Convert to fraction form
    22,390.36/33,585.56 = 6,808/x
  3. Step 3: Cross multiply
    22,390.36x = 33,585.56 × 6,808
  4. Step 4: Simplify right side
    22,390.36x = 228,650,492.48
  5. Step 5: Solve for x
    x = 228,650,492.48/22,390.36
  6. Step 6: Final answer
    x = 10,212.01

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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.