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Finding the Fourth Proportional to 8,745.54, 12,068.53 and 4,766.55

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Solution

The fourth proportional to 8,745.54, 12,068.53 and 4,766.55 is: 6,577.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,745.54 : 12,068.53 = 4,766.55 : x
  2. Step 2: Convert to fraction form
    8,745.54/12,068.53 = 4,766.55/x
  3. Step 3: Cross multiply
    8,745.54x = 12,068.53 × 4,766.55
  4. Step 4: Simplify right side
    8,745.54x = 57,525,251.67
  5. Step 5: Solve for x
    x = 57,525,251.67/8,745.54
  6. Step 6: Final answer
    x = 6,577.67

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Why These Related Problems?

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