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Finding the Fourth Proportional to 2,337.07, 3,505.59 and 776.63

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Solution

The fourth proportional to 2,337.07, 3,505.59 and 776.63 is: 1,164.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,337.07 : 3,505.59 = 776.63 : x
  2. Step 2: Convert to fraction form
    2,337.07/3,505.59 = 776.63/x
  3. Step 3: Cross multiply
    2,337.07x = 3,505.59 × 776.63
  4. Step 4: Simplify right side
    2,337.07x = 2,722,546.36
  5. Step 5: Solve for x
    x = 2,722,546.36/2,337.07
  6. Step 6: Final answer
    x = 1,164.94

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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.