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Finding the Fourth Proportional to 2,445.66, 3,668.52 and 1,957.50

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Solution

The fourth proportional to 2,445.66, 3,668.52 and 1,957.50 is: 2,936.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,445.66 : 3,668.52 = 1,957.50 : x
  2. Step 2: Convert to fraction form
    2,445.66/3,668.52 = 1,957.50/x
  3. Step 3: Cross multiply
    2,445.66x = 3,668.52 × 1,957.50
  4. Step 4: Simplify right side
    2,445.66x = 7,181,127.90
  5. Step 5: Solve for x
    x = 7,181,127.90/2,445.66
  6. Step 6: Final answer
    x = 2,936.27

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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.