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Finding the Fourth Proportional to 4,972.77, 7,460.91 and 2,051.28

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Solution

The fourth proportional to 4,972.77, 7,460.91 and 2,051.28 is: 3,077.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,972.77 : 7,460.91 = 2,051.28 : x
  2. Step 2: Convert to fraction form
    4,972.77/7,460.91 = 2,051.28/x
  3. Step 3: Cross multiply
    4,972.77x = 7,460.91 × 2,051.28
  4. Step 4: Simplify right side
    4,972.77x = 15,304,415.46
  5. Step 5: Solve for x
    x = 15,304,415.46/4,972.77
  6. Step 6: Final answer
    x = 3,077.64

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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.