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Finding the Fourth Proportional to 40,007.25, 60,013.97 and 11,925.16

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Solution

The fourth proportional to 40,007.25, 60,013.97 and 11,925.16 is: 17,888.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,007.25 : 60,013.97 = 11,925.16 : x
  2. Step 2: Convert to fraction form
    40,007.25/60,013.97 = 11,925.16/x
  3. Step 3: Cross multiply
    40,007.25x = 60,013.97 × 11,925.16
  4. Step 4: Simplify right side
    40,007.25x = 715,675,894.42
  5. Step 5: Solve for x
    x = 715,675,894.42/40,007.25
  6. Step 6: Final answer
    x = 17,888.66

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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.