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Finding the Fourth Proportional to 56,078.52, 84,118.02 and 16,636.02

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Solution

The fourth proportional to 56,078.52, 84,118.02 and 16,636.02 is: 24,954.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,078.52 : 84,118.02 = 16,636.02 : x
  2. Step 2: Convert to fraction form
    56,078.52/84,118.02 = 16,636.02/x
  3. Step 3: Cross multiply
    56,078.52x = 84,118.02 × 16,636.02
  4. Step 4: Simplify right side
    56,078.52x = 1,399,389,063.08
  5. Step 5: Solve for x
    x = 1,399,389,063.08/56,078.52
  6. Step 6: Final answer
    x = 24,954.10

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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.