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Finding the Fourth Proportional to 3,490.70, 5,235.02 and 1,024.93

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Solution

The fourth proportional to 3,490.70, 5,235.02 and 1,024.93 is: 1,537.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,490.70 : 5,235.02 = 1,024.93 : x
  2. Step 2: Convert to fraction form
    3,490.70/5,235.02 = 1,024.93/x
  3. Step 3: Cross multiply
    3,490.70x = 5,235.02 × 1,024.93
  4. Step 4: Simplify right side
    3,490.70x = 5,365,529.05
  5. Step 5: Solve for x
    x = 5,365,529.05/3,490.70
  6. Step 6: Final answer
    x = 1,537.09

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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.