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Finding the Fourth Proportional to 12,133.32, 18,200.52 and 3,368.04

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Solution

The fourth proportional to 12,133.32, 18,200.52 and 3,368.04 is: 5,052.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,133.32 : 18,200.52 = 3,368.04 : x
  2. Step 2: Convert to fraction form
    12,133.32/18,200.52 = 3,368.04/x
  3. Step 3: Cross multiply
    12,133.32x = 18,200.52 × 3,368.04
  4. Step 4: Simplify right side
    12,133.32x = 61,300,079.38
  5. Step 5: Solve for x
    x = 61,300,079.38/12,133.32
  6. Step 6: Final answer
    x = 5,052.21

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.