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Finding the Fourth Proportional to 1,764.97, 2,435.59 and 968.28

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Solution

The fourth proportional to 1,764.97, 2,435.59 and 968.28 is: 1,336.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,764.97 : 2,435.59 = 968.28 : x
  2. Step 2: Convert to fraction form
    1,764.97/2,435.59 = 968.28/x
  3. Step 3: Cross multiply
    1,764.97x = 2,435.59 × 968.28
  4. Step 4: Simplify right side
    1,764.97x = 2,358,334.74
  5. Step 5: Solve for x
    x = 2,358,334.74/1,764.97
  6. Step 6: Final answer
    x = 1,336.19

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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.