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Finding the Fourth Proportional to 1,691.01, 2,328.50 and 1,592.37

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Solution

The fourth proportional to 1,691.01, 2,328.50 and 1,592.37 is: 2,192.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,691.01 : 2,328.50 = 1,592.37 : x
  2. Step 2: Convert to fraction form
    1,691.01/2,328.50 = 1,592.37/x
  3. Step 3: Cross multiply
    1,691.01x = 2,328.50 × 1,592.37
  4. Step 4: Simplify right side
    1,691.01x = 3,707,837.53
  5. Step 5: Solve for x
    x = 3,707,837.53/1,691.01
  6. Step 6: Final answer
    x = 2,192.68

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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.