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Finding the Fourth Proportional to 5,506.76, 7,600.68 and 3,409.64

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Solution

The fourth proportional to 5,506.76, 7,600.68 and 3,409.64 is: 4,706.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,506.76 : 7,600.68 = 3,409.64 : x
  2. Step 2: Convert to fraction form
    5,506.76/7,600.68 = 3,409.64/x
  3. Step 3: Cross multiply
    5,506.76x = 7,600.68 × 3,409.64
  4. Step 4: Simplify right side
    5,506.76x = 25,915,582.56
  5. Step 5: Solve for x
    x = 25,915,582.56/5,506.76
  6. Step 6: Final answer
    x = 4,706.14

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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.