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Finding the Fourth Proportional to 3,495.80, 4,825.22 and 2,080.48

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Solution

The fourth proportional to 3,495.80, 4,825.22 and 2,080.48 is: 2,871.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,495.80 : 4,825.22 = 2,080.48 : x
  2. Step 2: Convert to fraction form
    3,495.80/4,825.22 = 2,080.48/x
  3. Step 3: Cross multiply
    3,495.80x = 4,825.22 × 2,080.48
  4. Step 4: Simplify right side
    3,495.80x = 10,038,773.71
  5. Step 5: Solve for x
    x = 10,038,773.71/3,495.80
  6. Step 6: Final answer
    x = 2,871.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.