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Finding the Fourth Proportional to 16,365.89, 22,587.84 and 9,651.12

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Solution

The fourth proportional to 16,365.89, 22,587.84 and 9,651.12 is: 13,320.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,365.89 : 22,587.84 = 9,651.12 : x
  2. Step 2: Convert to fraction form
    16,365.89/22,587.84 = 9,651.12/x
  3. Step 3: Cross multiply
    16,365.89x = 22,587.84 × 9,651.12
  4. Step 4: Simplify right side
    16,365.89x = 217,997,954.38
  5. Step 5: Solve for x
    x = 217,997,954.38/16,365.89
  6. Step 6: Final answer
    x = 13,320.27

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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.