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Finding the Fourth Proportional to 1,588.65, 2,192.17 and 925.37

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Solution

The fourth proportional to 1,588.65, 2,192.17 and 925.37 is: 1,276.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,588.65 : 2,192.17 = 925.37 : x
  2. Step 2: Convert to fraction form
    1,588.65/2,192.17 = 925.37/x
  3. Step 3: Cross multiply
    1,588.65x = 2,192.17 × 925.37
  4. Step 4: Simplify right side
    1,588.65x = 2,028,552.77
  5. Step 5: Solve for x
    x = 2,028,552.77/1,588.65
  6. Step 6: Final answer
    x = 1,276.90

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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.