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Finding the Fourth Proportional to 1,763.09, 2,644.88 and 608.93

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Solution

The fourth proportional to 1,763.09, 2,644.88 and 608.93 is: 913.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,763.09 : 2,644.88 = 608.93 : x
  2. Step 2: Convert to fraction form
    1,763.09/2,644.88 = 608.93/x
  3. Step 3: Cross multiply
    1,763.09x = 2,644.88 × 608.93
  4. Step 4: Simplify right side
    1,763.09x = 1,610,543.73
  5. Step 5: Solve for x
    x = 1,610,543.73/1,763.09
  6. Step 6: Final answer
    x = 913.48

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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.