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Finding the Fourth Proportional to 1,558.25, 2,337.77 and 736.50

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Solution

The fourth proportional to 1,558.25, 2,337.77 and 736.50 is: 1,104.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,558.25 : 2,337.77 = 736.50 : x
  2. Step 2: Convert to fraction form
    1,558.25/2,337.77 = 736.50/x
  3. Step 3: Cross multiply
    1,558.25x = 2,337.77 × 736.50
  4. Step 4: Simplify right side
    1,558.25x = 1,721,769.45
  5. Step 5: Solve for x
    x = 1,721,769.45/1,558.25
  6. Step 6: Final answer
    x = 1,104.94

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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.