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Finding the Fourth Proportional to 1,588.83, 2,192.07 and 1,029.74

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Solution

The fourth proportional to 1,588.83, 2,192.07 and 1,029.74 is: 1,420.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,588.83 : 2,192.07 = 1,029.74 : x
  2. Step 2: Convert to fraction form
    1,588.83/2,192.07 = 1,029.74/x
  3. Step 3: Cross multiply
    1,588.83x = 2,192.07 × 1,029.74
  4. Step 4: Simplify right side
    1,588.83x = 2,257,251.20
  5. Step 5: Solve for x
    x = 2,257,251.20/1,588.83
  6. Step 6: Final answer
    x = 1,420.70

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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.