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Finding the Fourth Proportional to 16,609.74, 22,913.33 and 9,893.22

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Solution

The fourth proportional to 16,609.74, 22,913.33 and 9,893.22 is: 13,647.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,609.74 : 22,913.33 = 9,893.22 : x
  2. Step 2: Convert to fraction form
    16,609.74/22,913.33 = 9,893.22/x
  3. Step 3: Cross multiply
    16,609.74x = 22,913.33 × 9,893.22
  4. Step 4: Simplify right side
    16,609.74x = 226,686,565.16
  5. Step 5: Solve for x
    x = 226,686,565.16/16,609.74
  6. Step 6: Final answer
    x = 13,647.81

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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.