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Finding the Fourth Proportional to 1,714.87, 2,366.70 and 968.99

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Solution

The fourth proportional to 1,714.87, 2,366.70 and 968.99 is: 1,337.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,714.87 : 2,366.70 = 968.99 : x
  2. Step 2: Convert to fraction form
    1,714.87/2,366.70 = 968.99/x
  3. Step 3: Cross multiply
    1,714.87x = 2,366.70 × 968.99
  4. Step 4: Simplify right side
    1,714.87x = 2,293,308.63
  5. Step 5: Solve for x
    x = 2,293,308.63/1,714.87
  6. Step 6: Final answer
    x = 1,337.31

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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.