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Finding the Fourth Proportional to 2,958.53, 4,435.46 and 1,476.99

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Solution

The fourth proportional to 2,958.53, 4,435.46 and 1,476.99 is: 2,214.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,958.53 : 4,435.46 = 1,476.99 : x
  2. Step 2: Convert to fraction form
    2,958.53/4,435.46 = 1,476.99/x
  3. Step 3: Cross multiply
    2,958.53x = 4,435.46 × 1,476.99
  4. Step 4: Simplify right side
    2,958.53x = 6,551,130.07
  5. Step 5: Solve for x
    x = 6,551,130.07/2,958.53
  6. Step 6: Final answer
    x = 2,214.32

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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.