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Finding the Fourth Proportional to 3,253.99, 4,490.49 and 1,761.93

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Solution

The fourth proportional to 3,253.99, 4,490.49 and 1,761.93 is: 2,431.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,253.99 : 4,490.49 = 1,761.93 : x
  2. Step 2: Convert to fraction form
    3,253.99/4,490.49 = 1,761.93/x
  3. Step 3: Cross multiply
    3,253.99x = 4,490.49 × 1,761.93
  4. Step 4: Simplify right side
    3,253.99x = 7,911,929.05
  5. Step 5: Solve for x
    x = 7,911,929.05/3,253.99
  6. Step 6: Final answer
    x = 2,431.46

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1.5x scale

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.