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Finding the Fourth Proportional to 7,202.79, 10,804.18 and 2,272.92

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Solution

The fourth proportional to 7,202.79, 10,804.18 and 2,272.92 is: 3,409.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,202.79 : 10,804.18 = 2,272.92 : x
  2. Step 2: Convert to fraction form
    7,202.79/10,804.18 = 2,272.92/x
  3. Step 3: Cross multiply
    7,202.79x = 10,804.18 × 2,272.92
  4. Step 4: Simplify right side
    7,202.79x = 24,557,036.81
  5. Step 5: Solve for x
    x = 24,557,036.81/7,202.79
  6. Step 6: Final answer
    x = 3,409.38

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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.