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Finding the Fourth Proportional to 1,714.11, 2,365.36 and 968.10

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Solution

The fourth proportional to 1,714.11, 2,365.36 and 968.10 is: 1,335.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,714.11 : 2,365.36 = 968.10 : x
  2. Step 2: Convert to fraction form
    1,714.11/2,365.36 = 968.10/x
  3. Step 3: Cross multiply
    1,714.11x = 2,365.36 × 968.10
  4. Step 4: Simplify right side
    1,714.11x = 2,289,905.02
  5. Step 5: Solve for x
    x = 2,289,905.02/1,714.11
  6. Step 6: Final answer
    x = 1,335.91

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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.