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Finding the Fourth Proportional to 12,298.38, 18,441.02 and 4,804.49

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Solution

The fourth proportional to 12,298.38, 18,441.02 and 4,804.49 is: 7,204.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,298.38 : 18,441.02 = 4,804.49 : x
  2. Step 2: Convert to fraction form
    12,298.38/18,441.02 = 4,804.49/x
  3. Step 3: Cross multiply
    12,298.38x = 18,441.02 × 4,804.49
  4. Step 4: Simplify right side
    12,298.38x = 88,599,675.40
  5. Step 5: Solve for x
    x = 88,599,675.40/12,298.38
  6. Step 6: Final answer
    x = 7,204.17

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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.