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Finding the Fourth Proportional to 16,929.01, 23,361.96 and 9,477.01

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Solution

The fourth proportional to 16,929.01, 23,361.96 and 9,477.01 is: 13,078.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,929.01 : 23,361.96 = 9,477.01 : x
  2. Step 2: Convert to fraction form
    16,929.01/23,361.96 = 9,477.01/x
  3. Step 3: Cross multiply
    16,929.01x = 23,361.96 × 9,477.01
  4. Step 4: Simplify right side
    16,929.01x = 221,401,528.54
  5. Step 5: Solve for x
    x = 221,401,528.54/16,929.01
  6. Step 6: Final answer
    x = 13,078.23

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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.