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Finding the Fourth Proportional to 7,068.64, 10,604.16 and 3,173.08

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Solution

The fourth proportional to 7,068.64, 10,604.16 and 3,173.08 is: 4,760.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,068.64 : 10,604.16 = 3,173.08 : x
  2. Step 2: Convert to fraction form
    7,068.64/10,604.16 = 3,173.08/x
  3. Step 3: Cross multiply
    7,068.64x = 10,604.16 × 3,173.08
  4. Step 4: Simplify right side
    7,068.64x = 33,647,848.01
  5. Step 5: Solve for x
    x = 33,647,848.01/7,068.64
  6. Step 6: Final answer
    x = 4,760.16

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.