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Finding the Fourth Proportional to 16,651.96, 22,980.97 and 9,484.19

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Solution

The fourth proportional to 16,651.96, 22,980.97 and 9,484.19 is: 13,088.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,651.96 : 22,980.97 = 9,484.19 : x
  2. Step 2: Convert to fraction form
    16,651.96/22,980.97 = 9,484.19/x
  3. Step 3: Cross multiply
    16,651.96x = 22,980.97 × 9,484.19
  4. Step 4: Simplify right side
    16,651.96x = 217,955,885.86
  5. Step 5: Solve for x
    x = 217,955,885.86/16,651.96
  6. Step 6: Final answer
    x = 13,088.91

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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.