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Finding the Fourth Proportional to 11,543.52, 17,315.52 and 4,618.08

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Solution

The fourth proportional to 11,543.52, 17,315.52 and 4,618.08 is: 6,927.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,543.52 : 17,315.52 = 4,618.08 : x
  2. Step 2: Convert to fraction form
    11,543.52/17,315.52 = 4,618.08/x
  3. Step 3: Cross multiply
    11,543.52x = 17,315.52 × 4,618.08
  4. Step 4: Simplify right side
    11,543.52x = 79,964,456.60
  5. Step 5: Solve for x
    x = 79,964,456.60/11,543.52
  6. Step 6: Final answer
    x = 6,927.22

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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.