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Finding the Fourth Proportional to 3,342.84, 5,014.88 and 1,263.45

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Solution

The fourth proportional to 3,342.84, 5,014.88 and 1,263.45 is: 1,895.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,342.84 : 5,014.88 = 1,263.45 : x
  2. Step 2: Convert to fraction form
    3,342.84/5,014.88 = 1,263.45/x
  3. Step 3: Cross multiply
    3,342.84x = 5,014.88 × 1,263.45
  4. Step 4: Simplify right side
    3,342.84x = 6,336,050.14
  5. Step 5: Solve for x
    x = 6,336,050.14/3,342.84
  6. Step 6: Final answer
    x = 1,895.41

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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.