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Finding the Fourth Proportional to 14,468.13, 21,703.95 and 4,079.88

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Solution

The fourth proportional to 14,468.13, 21,703.95 and 4,079.88 is: 6,120.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,468.13 : 21,703.95 = 4,079.88 : x
  2. Step 2: Convert to fraction form
    14,468.13/21,703.95 = 4,079.88/x
  3. Step 3: Cross multiply
    14,468.13x = 21,703.95 × 4,079.88
  4. Step 4: Simplify right side
    14,468.13x = 88,549,511.53
  5. Step 5: Solve for x
    x = 88,549,511.53/14,468.13
  6. Step 6: Final answer
    x = 6,120.31

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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.