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Finding the Fourth Proportional to 16,730.74, 25,098.54 and 8,935.30

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Solution

The fourth proportional to 16,730.74, 25,098.54 and 8,935.30 is: 13,404.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,730.74 : 25,098.54 = 8,935.30 : x
  2. Step 2: Convert to fraction form
    16,730.74/25,098.54 = 8,935.30/x
  3. Step 3: Cross multiply
    16,730.74x = 25,098.54 × 8,935.30
  4. Step 4: Simplify right side
    16,730.74x = 224,262,984.46
  5. Step 5: Solve for x
    x = 224,262,984.46/16,730.74
  6. Step 6: Final answer
    x = 13,404.25

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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.