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Finding the Fourth Proportional to 4,736.09, 7,103.10 and 1,448.30

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Solution

The fourth proportional to 4,736.09, 7,103.10 and 1,448.30 is: 2,172.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,736.09 : 7,103.10 = 1,448.30 : x
  2. Step 2: Convert to fraction form
    4,736.09/7,103.10 = 1,448.30/x
  3. Step 3: Cross multiply
    4,736.09x = 7,103.10 × 1,448.30
  4. Step 4: Simplify right side
    4,736.09x = 10,287,419.73
  5. Step 5: Solve for x
    x = 10,287,419.73/4,736.09
  6. Step 6: Final answer
    x = 2,172.13

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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.