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Finding the Fourth Proportional to 12,590.74, 17,375.66 and 6,925.92

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Solution

The fourth proportional to 12,590.74, 17,375.66 and 6,925.92 is: 9,558.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,590.74 : 17,375.66 = 6,925.92 : x
  2. Step 2: Convert to fraction form
    12,590.74/17,375.66 = 6,925.92/x
  3. Step 3: Cross multiply
    12,590.74x = 17,375.66 × 6,925.92
  4. Step 4: Simplify right side
    12,590.74x = 120,342,431.11
  5. Step 5: Solve for x
    x = 120,342,431.11/12,590.74
  6. Step 6: Final answer
    x = 9,558.01

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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.