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Finding the Fourth Proportional to 1,726.52, 2,590.23 and 994.48

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Solution

The fourth proportional to 1,726.52, 2,590.23 and 994.48 is: 1,491.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,726.52 : 2,590.23 = 994.48 : x
  2. Step 2: Convert to fraction form
    1,726.52/2,590.23 = 994.48/x
  3. Step 3: Cross multiply
    1,726.52x = 2,590.23 × 994.48
  4. Step 4: Simplify right side
    1,726.52x = 2,575,931.93
  5. Step 5: Solve for x
    x = 2,575,931.93/1,726.52
  6. Step 6: Final answer
    x = 1,491.98

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.