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Finding the Fourth Proportional to 4,872.93, 7,310.16 and 1,585.25

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Solution

The fourth proportional to 4,872.93, 7,310.16 and 1,585.25 is: 2,378.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,872.93 : 7,310.16 = 1,585.25 : x
  2. Step 2: Convert to fraction form
    4,872.93/7,310.16 = 1,585.25/x
  3. Step 3: Cross multiply
    4,872.93x = 7,310.16 × 1,585.25
  4. Step 4: Simplify right side
    4,872.93x = 11,588,422.00
  5. Step 5: Solve for x
    x = 11,588,422.00/4,872.93
  6. Step 6: Final answer
    x = 2,378.12

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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.