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Finding the Fourth Proportional to 1,476, 2,213.98 and 926.52

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Solution

The fourth proportional to 1,476, 2,213.98 and 926.52 is: 1,389.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,476 : 2,213.98 = 926.52 : x
  2. Step 2: Convert to fraction form
    1,476/2,213.98 = 926.52/x
  3. Step 3: Cross multiply
    1,476x = 2,213.98 × 926.52
  4. Step 4: Simplify right side
    1,476x = 2,051,296.75
  5. Step 5: Solve for x
    x = 2,051,296.75/1,476
  6. Step 6: Final answer
    x = 1,389.77

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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.