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Finding the Fourth Proportional to 1,703.59, 2,350.84 and 957.66

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Solution

The fourth proportional to 1,703.59, 2,350.84 and 957.66 is: 1,321.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,703.59 : 2,350.84 = 957.66 : x
  2. Step 2: Convert to fraction form
    1,703.59/2,350.84 = 957.66/x
  3. Step 3: Cross multiply
    1,703.59x = 2,350.84 × 957.66
  4. Step 4: Simplify right side
    1,703.59x = 2,251,317.24
  5. Step 5: Solve for x
    x = 2,251,317.24/1,703.59
  6. Step 6: Final answer
    x = 1,321.51

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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.