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Finding the Fourth Proportional to 14,978.08, 22,460.16 and 5,611.16

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Solution

The fourth proportional to 14,978.08, 22,460.16 and 5,611.16 is: 8,414.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,978.08 : 22,460.16 = 5,611.16 : x
  2. Step 2: Convert to fraction form
    14,978.08/22,460.16 = 5,611.16/x
  3. Step 3: Cross multiply
    14,978.08x = 22,460.16 × 5,611.16
  4. Step 4: Simplify right side
    14,978.08x = 126,027,551.39
  5. Step 5: Solve for x
    x = 126,027,551.39/14,978.08
  6. Step 6: Final answer
    x = 8,414.13

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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.