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Finding the Fourth Proportional to 1,723.32, 2,573.30 and 1,499.76

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Solution

The fourth proportional to 1,723.32, 2,573.30 and 1,499.76 is: 2,239.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,723.32 : 2,573.30 = 1,499.76 : x
  2. Step 2: Convert to fraction form
    1,723.32/2,573.30 = 1,499.76/x
  3. Step 3: Cross multiply
    1,723.32x = 2,573.30 × 1,499.76
  4. Step 4: Simplify right side
    1,723.32x = 3,859,336.16
  5. Step 5: Solve for x
    x = 3,859,336.16/1,723.32
  6. Step 6: Final answer
    x = 2,239.48

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.