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Finding the Fourth Proportional to 2,392.83, 3,301.02 and 1,728.63

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Solution

The fourth proportional to 2,392.83, 3,301.02 and 1,728.63 is: 2,384.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,392.83 : 3,301.02 = 1,728.63 : x
  2. Step 2: Convert to fraction form
    2,392.83/3,301.02 = 1,728.63/x
  3. Step 3: Cross multiply
    2,392.83x = 3,301.02 × 1,728.63
  4. Step 4: Simplify right side
    2,392.83x = 5,706,242.20
  5. Step 5: Solve for x
    x = 5,706,242.20/2,392.83
  6. Step 6: Final answer
    x = 2,384.73

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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.