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Finding the Fourth Proportional to 1,687.99, 2,533.12 and 592.36

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Solution

The fourth proportional to 1,687.99, 2,533.12 and 592.36 is: 888.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,687.99 : 2,533.12 = 592.36 : x
  2. Step 2: Convert to fraction form
    1,687.99/2,533.12 = 592.36/x
  3. Step 3: Cross multiply
    1,687.99x = 2,533.12 × 592.36
  4. Step 4: Simplify right side
    1,687.99x = 1,500,518.96
  5. Step 5: Solve for x
    x = 1,500,518.96/1,687.99
  6. Step 6: Final answer
    x = 888.94

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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.