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Finding the Fourth Proportional to 4,893.29, 7,339.85 and 1,971.52

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Solution

The fourth proportional to 4,893.29, 7,339.85 and 1,971.52 is: 2,957.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,893.29 : 7,339.85 = 1,971.52 : x
  2. Step 2: Convert to fraction form
    4,893.29/7,339.85 = 1,971.52/x
  3. Step 3: Cross multiply
    4,893.29x = 7,339.85 × 1,971.52
  4. Step 4: Simplify right side
    4,893.29x = 14,470,661.07
  5. Step 5: Solve for x
    x = 14,470,661.07/4,893.29
  6. Step 6: Final answer
    x = 2,957.25

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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.