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Finding the Fourth Proportional to 1,092.03, 1,637.51 and 572.01

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Solution

The fourth proportional to 1,092.03, 1,637.51 and 572.01 is: 857.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,092.03 : 1,637.51 = 572.01 : x
  2. Step 2: Convert to fraction form
    1,092.03/1,637.51 = 572.01/x
  3. Step 3: Cross multiply
    1,092.03x = 1,637.51 × 572.01
  4. Step 4: Simplify right side
    1,092.03x = 936,669.24
  5. Step 5: Solve for x
    x = 936,669.24/1,092.03
  6. Step 6: Final answer
    x = 857.73

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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.