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Finding the Fourth Proportional to 1,714.14, 2,365.53 and 968.13

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Solution

The fourth proportional to 1,714.14, 2,365.53 and 968.13 is: 1,336.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,714.14 : 2,365.53 = 968.13 : x
  2. Step 2: Convert to fraction form
    1,714.14/2,365.53 = 968.13/x
  3. Step 3: Cross multiply
    1,714.14x = 2,365.53 × 968.13
  4. Step 4: Simplify right side
    1,714.14x = 2,290,140.56
  5. Step 5: Solve for x
    x = 2,290,140.56/1,714.14
  6. Step 6: Final answer
    x = 1,336.03

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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.