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Finding the Fourth Proportional to 3,106.01, 4,658.72 and 914.76

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Solution

The fourth proportional to 3,106.01, 4,658.72 and 914.76 is: 1,372.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,106.01 : 4,658.72 = 914.76 : x
  2. Step 2: Convert to fraction form
    3,106.01/4,658.72 = 914.76/x
  3. Step 3: Cross multiply
    3,106.01x = 4,658.72 × 914.76
  4. Step 4: Simplify right side
    3,106.01x = 4,261,606.13
  5. Step 5: Solve for x
    x = 4,261,606.13/3,106.01
  6. Step 6: Final answer
    x = 1,372.05

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.