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Finding the Fourth Proportional to 7,627.86, 10,525.59 and 4,440.71

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Solution

The fourth proportional to 7,627.86, 10,525.59 and 4,440.71 is: 6,127.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,627.86 : 10,525.59 = 4,440.71 : x
  2. Step 2: Convert to fraction form
    7,627.86/10,525.59 = 4,440.71/x
  3. Step 3: Cross multiply
    7,627.86x = 10,525.59 × 4,440.71
  4. Step 4: Simplify right side
    7,627.86x = 46,741,040.14
  5. Step 5: Solve for x
    x = 46,741,040.14/7,627.86
  6. Step 6: Final answer
    x = 6,127.67

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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.