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Finding the Fourth Proportional to 8,907.47, 12,291.24 and 4,928.04

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Solution

The fourth proportional to 8,907.47, 12,291.24 and 4,928.04 is: 6,800.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,907.47 : 12,291.24 = 4,928.04 : x
  2. Step 2: Convert to fraction form
    8,907.47/12,291.24 = 4,928.04/x
  3. Step 3: Cross multiply
    8,907.47x = 12,291.24 × 4,928.04
  4. Step 4: Simplify right side
    8,907.47x = 60,571,740.85
  5. Step 5: Solve for x
    x = 60,571,740.85/8,907.47
  6. Step 6: Final answer
    x = 6,800.11

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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.