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Finding the Fourth Proportional to 16,477.13, 22,740.07 and 9,404.62

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Solution

The fourth proportional to 16,477.13, 22,740.07 and 9,404.62 is: 12,979.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,477.13 : 22,740.07 = 9,404.62 : x
  2. Step 2: Convert to fraction form
    16,477.13/22,740.07 = 9,404.62/x
  3. Step 3: Cross multiply
    16,477.13x = 22,740.07 × 9,404.62
  4. Step 4: Simplify right side
    16,477.13x = 213,861,717.12
  5. Step 5: Solve for x
    x = 213,861,717.12/16,477.13
  6. Step 6: Final answer
    x = 12,979.31

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1.5x scale

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.