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Finding the Fourth Proportional to 1,158.99, 1,733.32 and 1,029.83

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Solution

The fourth proportional to 1,158.99, 1,733.32 and 1,029.83 is: 1,540.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,158.99 : 1,733.32 = 1,029.83 : x
  2. Step 2: Convert to fraction form
    1,158.99/1,733.32 = 1,029.83/x
  3. Step 3: Cross multiply
    1,158.99x = 1,733.32 × 1,029.83
  4. Step 4: Simplify right side
    1,158.99x = 1,785,024.94
  5. Step 5: Solve for x
    x = 1,785,024.94/1,158.99
  6. Step 6: Final answer
    x = 1,540.16

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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.