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Finding the Fourth Proportional to 1,723.19, 2,378.00 and 937.23

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Solution

The fourth proportional to 1,723.19, 2,378.00 and 937.23 is: 1,293.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,723.19 : 2,378.00 = 937.23 : x
  2. Step 2: Convert to fraction form
    1,723.19/2,378.00 = 937.23/x
  3. Step 3: Cross multiply
    1,723.19x = 2,378.00 × 937.23
  4. Step 4: Simplify right side
    1,723.19x = 2,228,728.25
  5. Step 5: Solve for x
    x = 2,228,728.25/1,723.19
  6. Step 6: Final answer
    x = 1,293.38

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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.