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Finding the Fourth Proportional to 3,600.54, 4,966.98 and 3,102.32

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Solution

The fourth proportional to 3,600.54, 4,966.98 and 3,102.32 is: 4,279.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,600.54 : 4,966.98 = 3,102.32 : x
  2. Step 2: Convert to fraction form
    3,600.54/4,966.98 = 3,102.32/x
  3. Step 3: Cross multiply
    3,600.54x = 4,966.98 × 3,102.32
  4. Step 4: Simplify right side
    3,600.54x = 15,409,161.39
  5. Step 5: Solve for x
    x = 15,409,161.39/3,600.54
  6. Step 6: Final answer
    x = 4,279.68

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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.