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Finding the Fourth Proportional to 22,145.88, 33,224.64 and 9,007.32

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Solution

The fourth proportional to 22,145.88, 33,224.64 and 9,007.32 is: 13,513.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,145.88 : 33,224.64 = 9,007.32 : x
  2. Step 2: Convert to fraction form
    22,145.88/33,224.64 = 9,007.32/x
  3. Step 3: Cross multiply
    22,145.88x = 33,224.64 × 9,007.32
  4. Step 4: Simplify right side
    22,145.88x = 299,264,964.36
  5. Step 5: Solve for x
    x = 299,264,964.36/22,145.88
  6. Step 6: Final answer
    x = 13,513.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.