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Finding the Fourth Proportional to 1,513.96, 2,271.04 and 589.48

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Solution

The fourth proportional to 1,513.96, 2,271.04 and 589.48 is: 884.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,513.96 : 2,271.04 = 589.48 : x
  2. Step 2: Convert to fraction form
    1,513.96/2,271.04 = 589.48/x
  3. Step 3: Cross multiply
    1,513.96x = 2,271.04 × 589.48
  4. Step 4: Simplify right side
    1,513.96x = 1,338,732.66
  5. Step 5: Solve for x
    x = 1,338,732.66/1,513.96
  6. Step 6: Final answer
    x = 884.26

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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.