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Finding the Fourth Proportional to 1,477.44, 2,213.88 and 1,007.16

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Solution

The fourth proportional to 1,477.44, 2,213.88 and 1,007.16 is: 1,509.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,477.44 : 2,213.88 = 1,007.16 : x
  2. Step 2: Convert to fraction form
    1,477.44/2,213.88 = 1,007.16/x
  3. Step 3: Cross multiply
    1,477.44x = 2,213.88 × 1,007.16
  4. Step 4: Simplify right side
    1,477.44x = 2,229,731.38
  5. Step 5: Solve for x
    x = 2,229,731.38/1,477.44
  6. Step 6: Final answer
    x = 1,509.19

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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.