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Finding the Fourth Proportional to 7,564.44, 10,438.02 and 4,206.42

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Solution

The fourth proportional to 7,564.44, 10,438.02 and 4,206.42 is: 5,804.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,564.44 : 10,438.02 = 4,206.42 : x
  2. Step 2: Convert to fraction form
    7,564.44/10,438.02 = 4,206.42/x
  3. Step 3: Cross multiply
    7,564.44x = 10,438.02 × 4,206.42
  4. Step 4: Simplify right side
    7,564.44x = 43,906,696.09
  5. Step 5: Solve for x
    x = 43,906,696.09/7,564.44
  6. Step 6: Final answer
    x = 5,804.36

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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.