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Finding the Fourth Proportional to 1,714.69, 2,366.25 and 968.60

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Solution

The fourth proportional to 1,714.69, 2,366.25 and 968.60 is: 1,336.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,714.69 : 2,366.25 = 968.60 : x
  2. Step 2: Convert to fraction form
    1,714.69/2,366.25 = 968.60/x
  3. Step 3: Cross multiply
    1,714.69x = 2,366.25 × 968.60
  4. Step 4: Simplify right side
    1,714.69x = 2,291,949.75
  5. Step 5: Solve for x
    x = 2,291,949.75/1,714.69
  6. Step 6: Final answer
    x = 1,336.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.