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Finding the Fourth Proportional to 4,758.50, 7,137.84 and 1,295.84

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Solution

The fourth proportional to 4,758.50, 7,137.84 and 1,295.84 is: 1,943.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,758.50 : 7,137.84 = 1,295.84 : x
  2. Step 2: Convert to fraction form
    4,758.50/7,137.84 = 1,295.84/x
  3. Step 3: Cross multiply
    4,758.50x = 7,137.84 × 1,295.84
  4. Step 4: Simplify right side
    4,758.50x = 9,249,498.59
  5. Step 5: Solve for x
    x = 9,249,498.59/4,758.50
  6. Step 6: Final answer
    x = 1,943.78

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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.