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Finding the Fourth Proportional to 4,859.72, 7,284.14 and 1,937.24

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Solution

The fourth proportional to 4,859.72, 7,284.14 and 1,937.24 is: 2,903.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,859.72 : 7,284.14 = 1,937.24 : x
  2. Step 2: Convert to fraction form
    4,859.72/7,284.14 = 1,937.24/x
  3. Step 3: Cross multiply
    4,859.72x = 7,284.14 × 1,937.24
  4. Step 4: Simplify right side
    4,859.72x = 14,111,127.37
  5. Step 5: Solve for x
    x = 14,111,127.37/4,859.72
  6. Step 6: Final answer
    x = 2,903.69

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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.