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Finding the Fourth Proportional to 16,388.94, 24,585.66 and 5,291.94

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Solution

The fourth proportional to 16,388.94, 24,585.66 and 5,291.94 is: 7,938.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,388.94 : 24,585.66 = 5,291.94 : x
  2. Step 2: Convert to fraction form
    16,388.94/24,585.66 = 5,291.94/x
  3. Step 3: Cross multiply
    16,388.94x = 24,585.66 × 5,291.94
  4. Step 4: Simplify right side
    16,388.94x = 130,105,837.58
  5. Step 5: Solve for x
    x = 130,105,837.58/16,388.94
  6. Step 6: Final answer
    x = 7,938.64

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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.