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Finding the Fourth Proportional to 18,069.40, 27,060.90 and 14,613.40

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Solution

The fourth proportional to 18,069.40, 27,060.90 and 14,613.40 is: 21,885.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,069.40 : 27,060.90 = 14,613.40 : x
  2. Step 2: Convert to fraction form
    18,069.40/27,060.90 = 14,613.40/x
  3. Step 3: Cross multiply
    18,069.40x = 27,060.90 × 14,613.40
  4. Step 4: Simplify right side
    18,069.40x = 395,451,756.06
  5. Step 5: Solve for x
    x = 395,451,756.06/18,069.40
  6. Step 6: Final answer
    x = 21,885.16

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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.