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Finding the Fourth Proportional to 2,612.52, 3,913.02 and 1,584.36

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Solution

The fourth proportional to 2,612.52, 3,913.02 and 1,584.36 is: 2,373.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,612.52 : 3,913.02 = 1,584.36 : x
  2. Step 2: Convert to fraction form
    2,612.52/3,913.02 = 1,584.36/x
  3. Step 3: Cross multiply
    2,612.52x = 3,913.02 × 1,584.36
  4. Step 4: Simplify right side
    2,612.52x = 6,199,632.37
  5. Step 5: Solve for x
    x = 6,199,632.37/2,612.52
  6. Step 6: Final answer
    x = 2,373.05

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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.