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Finding the Fourth Proportional to 4,974, 7,464.54 and 1,896

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Solution

The fourth proportional to 4,974, 7,464.54 and 1,896 is: 2,845.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,974 : 7,464.54 = 1,896 : x
  2. Step 2: Convert to fraction form
    4,974/7,464.54 = 1,896/x
  3. Step 3: Cross multiply
    4,974x = 7,464.54 × 1,896
  4. Step 4: Simplify right side
    4,974x = 14,152,767.84
  5. Step 5: Solve for x
    x = 14,152,767.84/4,974
  6. Step 6: Final answer
    x = 2,845.35

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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.