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Finding the Fourth Proportional to 2,964.78, 4,447.53 and 1,017.42

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Solution

The fourth proportional to 2,964.78, 4,447.53 and 1,017.42 is: 1,526.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,964.78 : 4,447.53 = 1,017.42 : x
  2. Step 2: Convert to fraction form
    2,964.78/4,447.53 = 1,017.42/x
  3. Step 3: Cross multiply
    2,964.78x = 4,447.53 × 1,017.42
  4. Step 4: Simplify right side
    2,964.78x = 4,525,005.97
  5. Step 5: Solve for x
    x = 4,525,005.97/2,964.78
  6. Step 6: Final answer
    x = 1,526.25

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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.