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Finding the Fourth Proportional to 4,898.04, 6,754.41 and 3,129

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Solution

The fourth proportional to 4,898.04, 6,754.41 and 3,129 is: 4,314.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,898.04 : 6,754.41 = 3,129 : x
  2. Step 2: Convert to fraction form
    4,898.04/6,754.41 = 3,129/x
  3. Step 3: Cross multiply
    4,898.04x = 6,754.41 × 3,129
  4. Step 4: Simplify right side
    4,898.04x = 21,134,548.89
  5. Step 5: Solve for x
    x = 21,134,548.89/4,898.04
  6. Step 6: Final answer
    x = 4,314.90

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.