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Finding the Fourth Proportional to 4,965.80, 7,437.90 and 3,014.60

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Solution

The fourth proportional to 4,965.80, 7,437.90 and 3,014.60 is: 4,515.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,965.80 : 7,437.90 = 3,014.60 : x
  2. Step 2: Convert to fraction form
    4,965.80/7,437.90 = 3,014.60/x
  3. Step 3: Cross multiply
    4,965.80x = 7,437.90 × 3,014.60
  4. Step 4: Simplify right side
    4,965.80x = 22,422,293.34
  5. Step 5: Solve for x
    x = 22,422,293.34/4,965.80
  6. Step 6: Final answer
    x = 4,515.34

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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.