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Finding the Fourth Proportional to 1,959.40, 2,935.26 and 1,497.64

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Solution

The fourth proportional to 1,959.40, 2,935.26 and 1,497.64 is: 2,243.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,959.40 : 2,935.26 = 1,497.64 : x
  2. Step 2: Convert to fraction form
    1,959.40/2,935.26 = 1,497.64/x
  3. Step 3: Cross multiply
    1,959.40x = 2,935.26 × 1,497.64
  4. Step 4: Simplify right side
    1,959.40x = 4,395,962.79
  5. Step 5: Solve for x
    x = 4,395,962.79/1,959.40
  6. Step 6: Final answer
    x = 2,243.52

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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.