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Finding the Fourth Proportional to 9,008.39, 12,428.00 and 6,019.49

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Solution

The fourth proportional to 9,008.39, 12,428.00 and 6,019.49 is: 8,304.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,008.39 : 12,428.00 = 6,019.49 : x
  2. Step 2: Convert to fraction form
    9,008.39/12,428.00 = 6,019.49/x
  3. Step 3: Cross multiply
    9,008.39x = 12,428.00 × 6,019.49
  4. Step 4: Simplify right side
    9,008.39x = 74,810,267.84
  5. Step 5: Solve for x
    x = 74,810,267.84/9,008.39
  6. Step 6: Final answer
    x = 8,304.51

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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.