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Finding the Fourth Proportional to 4,866.96, 7,301.07 and 1,578.96

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Solution

The fourth proportional to 4,866.96, 7,301.07 and 1,578.96 is: 2,368.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,866.96 : 7,301.07 = 1,578.96 : x
  2. Step 2: Convert to fraction form
    4,866.96/7,301.07 = 1,578.96/x
  3. Step 3: Cross multiply
    4,866.96x = 7,301.07 × 1,578.96
  4. Step 4: Simplify right side
    4,866.96x = 11,528,097.49
  5. Step 5: Solve for x
    x = 11,528,097.49/4,866.96
  6. Step 6: Final answer
    x = 2,368.64

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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.