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Finding the Fourth Proportional to 16,673.92, 25,007.16 and 4,985.62

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Solution

The fourth proportional to 16,673.92, 25,007.16 and 4,985.62 is: 7,477.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,673.92 : 25,007.16 = 4,985.62 : x
  2. Step 2: Convert to fraction form
    16,673.92/25,007.16 = 4,985.62/x
  3. Step 3: Cross multiply
    16,673.92x = 25,007.16 × 4,985.62
  4. Step 4: Simplify right side
    16,673.92x = 124,676,197.04
  5. Step 5: Solve for x
    x = 124,676,197.04/16,673.92
  6. Step 6: Final answer
    x = 7,477.32

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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.