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Finding the Fourth Proportional to 4,838.68, 7,253.69 and 1,914.98

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Solution

The fourth proportional to 4,838.68, 7,253.69 and 1,914.98 is: 2,870.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,838.68 : 7,253.69 = 1,914.98 : x
  2. Step 2: Convert to fraction form
    4,838.68/7,253.69 = 1,914.98/x
  3. Step 3: Cross multiply
    4,838.68x = 7,253.69 × 1,914.98
  4. Step 4: Simplify right side
    4,838.68x = 13,890,671.28
  5. Step 5: Solve for x
    x = 13,890,671.28/4,838.68
  6. Step 6: Final answer
    x = 2,870.76

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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.