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Finding the Fourth Proportional to 1,588.51, 2,192.27 and 925.22

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Solution

The fourth proportional to 1,588.51, 2,192.27 and 925.22 is: 1,276.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,588.51 : 2,192.27 = 925.22 : x
  2. Step 2: Convert to fraction form
    1,588.51/2,192.27 = 925.22/x
  3. Step 3: Cross multiply
    1,588.51x = 2,192.27 × 925.22
  4. Step 4: Simplify right side
    1,588.51x = 2,028,332.90
  5. Step 5: Solve for x
    x = 2,028,332.90/1,588.51
  6. Step 6: Final answer
    x = 1,276.88

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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.