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Finding the Fourth Proportional to 1,669.74, 2,502.93 and 573.36

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Solution

The fourth proportional to 1,669.74, 2,502.93 and 573.36 is: 859.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,669.74 : 2,502.93 = 573.36 : x
  2. Step 2: Convert to fraction form
    1,669.74/2,502.93 = 573.36/x
  3. Step 3: Cross multiply
    1,669.74x = 2,502.93 × 573.36
  4. Step 4: Simplify right side
    1,669.74x = 1,435,079.94
  5. Step 5: Solve for x
    x = 1,435,079.94/1,669.74
  6. Step 6: Final answer
    x = 859.46

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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.