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Finding the Fourth Proportional to 28,674, 39,499.56 and 24,411.36

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Solution

The fourth proportional to 28,674, 39,499.56 and 24,411.36 is: 33,627.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,674 : 39,499.56 = 24,411.36 : x
  2. Step 2: Convert to fraction form
    28,674/39,499.56 = 24,411.36/x
  3. Step 3: Cross multiply
    28,674x = 39,499.56 × 24,411.36
  4. Step 4: Simplify right side
    28,674x = 964,237,979.00
  5. Step 5: Solve for x
    x = 964,237,979.00/28,674
  6. Step 6: Final answer
    x = 33,627.61

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.