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Finding the Fourth Proportional to 1,296.04, 1,940.46 and 1,008.04

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Solution

The fourth proportional to 1,296.04, 1,940.46 and 1,008.04 is: 1,509.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,296.04 : 1,940.46 = 1,008.04 : x
  2. Step 2: Convert to fraction form
    1,296.04/1,940.46 = 1,008.04/x
  3. Step 3: Cross multiply
    1,296.04x = 1,940.46 × 1,008.04
  4. Step 4: Simplify right side
    1,296.04x = 1,956,061.30
  5. Step 5: Solve for x
    x = 1,956,061.30/1,296.04
  6. Step 6: Final answer
    x = 1,509.26

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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.