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Finding the Fourth Proportional to 18,114.84, 27,169.32 and 4,964.16

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Solution

The fourth proportional to 18,114.84, 27,169.32 and 4,964.16 is: 7,445.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,114.84 : 27,169.32 = 4,964.16 : x
  2. Step 2: Convert to fraction form
    18,114.84/27,169.32 = 4,964.16/x
  3. Step 3: Cross multiply
    18,114.84x = 27,169.32 × 4,964.16
  4. Step 4: Simplify right side
    18,114.84x = 134,872,851.57
  5. Step 5: Solve for x
    x = 134,872,851.57/18,114.84
  6. Step 6: Final answer
    x = 7,445.43

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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.