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Finding the Fourth Proportional to 1,687.98, 2,533.10 and 592.35

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Solution

The fourth proportional to 1,687.98, 2,533.10 and 592.35 is: 888.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,687.98 : 2,533.10 = 592.35 : x
  2. Step 2: Convert to fraction form
    1,687.98/2,533.10 = 592.35/x
  3. Step 3: Cross multiply
    1,687.98x = 2,533.10 × 592.35
  4. Step 4: Simplify right side
    1,687.98x = 1,500,483.27
  5. Step 5: Solve for x
    x = 1,500,483.27/1,687.98
  6. Step 6: Final answer
    x = 888.92

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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.