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Finding the Fourth Proportional to 751.54, 1,037.38 and 593.86

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Solution

The fourth proportional to 751.54, 1,037.38 and 593.86 is: 819.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    751.54 : 1,037.38 = 593.86 : x
  2. Step 2: Convert to fraction form
    751.54/1,037.38 = 593.86/x
  3. Step 3: Cross multiply
    751.54x = 1,037.38 × 593.86
  4. Step 4: Simplify right side
    751.54x = 616,058.49
  5. Step 5: Solve for x
    x = 616,058.49/751.54
  6. Step 6: Final answer
    x = 819.73

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Double scale
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1.5x scale

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.