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Finding the Fourth Proportional to 28,995.52, 43,499.76 and 9,275.26

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Solution

The fourth proportional to 28,995.52, 43,499.76 and 9,275.26 is: 13,914.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,995.52 : 43,499.76 = 9,275.26 : x
  2. Step 2: Convert to fraction form
    28,995.52/43,499.76 = 9,275.26/x
  3. Step 3: Cross multiply
    28,995.52x = 43,499.76 × 9,275.26
  4. Step 4: Simplify right side
    28,995.52x = 403,471,583.94
  5. Step 5: Solve for x
    x = 403,471,583.94/28,995.52
  6. Step 6: Final answer
    x = 13,914.96

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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.