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Finding the Fourth Proportional to 5,550.68, 7,660.68 and 5,368.34

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Solution

The fourth proportional to 5,550.68, 7,660.68 and 5,368.34 is: 7,409.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,550.68 : 7,660.68 = 5,368.34 : x
  2. Step 2: Convert to fraction form
    5,550.68/7,660.68 = 5,368.34/x
  3. Step 3: Cross multiply
    5,550.68x = 7,660.68 × 5,368.34
  4. Step 4: Simplify right side
    5,550.68x = 41,125,134.87
  5. Step 5: Solve for x
    x = 41,125,134.87/5,550.68
  6. Step 6: Final answer
    x = 7,409.03

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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.