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Finding the Fourth Proportional to 2,695.47, 4,043.04 and 1,585.50

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Solution

The fourth proportional to 2,695.47, 4,043.04 and 1,585.50 is: 2,378.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,695.47 : 4,043.04 = 1,585.50 : x
  2. Step 2: Convert to fraction form
    2,695.47/4,043.04 = 1,585.50/x
  3. Step 3: Cross multiply
    2,695.47x = 4,043.04 × 1,585.50
  4. Step 4: Simplify right side
    2,695.47x = 6,410,239.92
  5. Step 5: Solve for x
    x = 6,410,239.92/2,695.47
  6. Step 6: Final answer
    x = 2,378.15

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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.