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Finding the Fourth Proportional to 4,710.74, 7,065.93 and 1,936.64

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Solution

The fourth proportional to 4,710.74, 7,065.93 and 1,936.64 is: 2,904.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,710.74 : 7,065.93 = 1,936.64 : x
  2. Step 2: Convert to fraction form
    4,710.74/7,065.93 = 1,936.64/x
  3. Step 3: Cross multiply
    4,710.74x = 7,065.93 × 1,936.64
  4. Step 4: Simplify right side
    4,710.74x = 13,684,162.68
  5. Step 5: Solve for x
    x = 13,684,162.68/4,710.74
  6. Step 6: Final answer
    x = 2,904.89

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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.