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Finding the Fourth Proportional to 12,304.17, 18,459.19 and 3,984.19

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Solution

The fourth proportional to 12,304.17, 18,459.19 and 3,984.19 is: 5,977.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,304.17 : 18,459.19 = 3,984.19 : x
  2. Step 2: Convert to fraction form
    12,304.17/18,459.19 = 3,984.19/x
  3. Step 3: Cross multiply
    12,304.17x = 18,459.19 × 3,984.19
  4. Step 4: Simplify right side
    12,304.17x = 73,544,864.10
  5. Step 5: Solve for x
    x = 73,544,864.10/12,304.17
  6. Step 6: Final answer
    x = 5,977.23

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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.