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Finding the Fourth Proportional to 1,697.43, 2,547.36 and 968.43

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Solution

The fourth proportional to 1,697.43, 2,547.36 and 968.43 is: 1,453.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,697.43 : 2,547.36 = 968.43 : x
  2. Step 2: Convert to fraction form
    1,697.43/2,547.36 = 968.43/x
  3. Step 3: Cross multiply
    1,697.43x = 2,547.36 × 968.43
  4. Step 4: Simplify right side
    1,697.43x = 2,466,939.84
  5. Step 5: Solve for x
    x = 2,466,939.84/1,697.43
  6. Step 6: Final answer
    x = 1,453.34

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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.