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Finding the Fourth Proportional to 4,866.45, 7,299.72 and 3,698.88

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Solution

The fourth proportional to 4,866.45, 7,299.72 and 3,698.88 is: 5,548.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,866.45 : 7,299.72 = 3,698.88 : x
  2. Step 2: Convert to fraction form
    4,866.45/7,299.72 = 3,698.88/x
  3. Step 3: Cross multiply
    4,866.45x = 7,299.72 × 3,698.88
  4. Step 4: Simplify right side
    4,866.45x = 27,000,788.31
  5. Step 5: Solve for x
    x = 27,000,788.31/4,866.45
  6. Step 6: Final answer
    x = 5,548.35

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1.5x scale

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.