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Finding the Fourth Proportional to 15,051.53, 22,581.86 and 5,694.42

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Solution

The fourth proportional to 15,051.53, 22,581.86 and 5,694.42 is: 8,543.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,051.53 : 22,581.86 = 5,694.42 : x
  2. Step 2: Convert to fraction form
    15,051.53/22,581.86 = 5,694.42/x
  3. Step 3: Cross multiply
    15,051.53x = 22,581.86 × 5,694.42
  4. Step 4: Simplify right side
    15,051.53x = 128,590,584.05
  5. Step 5: Solve for x
    x = 128,590,584.05/15,051.53
  6. Step 6: Final answer
    x = 8,543.35

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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.