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Finding the Fourth Proportional to 13,368, 20,053.08 and 4,134

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Solution

The fourth proportional to 13,368, 20,053.08 and 4,134 is: 6,201.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,368 : 20,053.08 = 4,134 : x
  2. Step 2: Convert to fraction form
    13,368/20,053.08 = 4,134/x
  3. Step 3: Cross multiply
    13,368x = 20,053.08 × 4,134
  4. Step 4: Simplify right side
    13,368x = 82,899,432.72
  5. Step 5: Solve for x
    x = 82,899,432.72/13,368
  6. Step 6: Final answer
    x = 6,201.33

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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.