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Finding the Fourth Proportional to 1,775.93, 2,663.88 and 734.79

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Solution

The fourth proportional to 1,775.93, 2,663.88 and 734.79 is: 1,102.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,775.93 : 2,663.88 = 734.79 : x
  2. Step 2: Convert to fraction form
    1,775.93/2,663.88 = 734.79/x
  3. Step 3: Cross multiply
    1,775.93x = 2,663.88 × 734.79
  4. Step 4: Simplify right side
    1,775.93x = 1,957,392.39
  5. Step 5: Solve for x
    x = 1,957,392.39/1,775.93
  6. Step 6: Final answer
    x = 1,102.18

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1.5x scale

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.