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Finding the Fourth Proportional to 9,195.42, 12,689.43 and 5,003.58

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Solution

The fourth proportional to 9,195.42, 12,689.43 and 5,003.58 is: 6,904.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,195.42 : 12,689.43 = 5,003.58 : x
  2. Step 2: Convert to fraction form
    9,195.42/12,689.43 = 5,003.58/x
  3. Step 3: Cross multiply
    9,195.42x = 12,689.43 × 5,003.58
  4. Step 4: Simplify right side
    9,195.42x = 63,492,578.16
  5. Step 5: Solve for x
    x = 63,492,578.16/9,195.42
  6. Step 6: Final answer
    x = 6,904.80

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.