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Finding the Fourth Proportional to 9,043.77, 12,480.84 and 5,458.65

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Solution

The fourth proportional to 9,043.77, 12,480.84 and 5,458.65 is: 7,533.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,043.77 : 12,480.84 = 5,458.65 : x
  2. Step 2: Convert to fraction form
    9,043.77/12,480.84 = 5,458.65/x
  3. Step 3: Cross multiply
    9,043.77x = 12,480.84 × 5,458.65
  4. Step 4: Simplify right side
    9,043.77x = 68,128,563.60
  5. Step 5: Solve for x
    x = 68,128,563.60/9,043.77
  6. Step 6: Final answer
    x = 7,533.20

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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.