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Finding the Fourth Proportional to 5,870.52, 8,805.78 and 2,361.60

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Solution

The fourth proportional to 5,870.52, 8,805.78 and 2,361.60 is: 3,542.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,870.52 : 8,805.78 = 2,361.60 : x
  2. Step 2: Convert to fraction form
    5,870.52/8,805.78 = 2,361.60/x
  3. Step 3: Cross multiply
    5,870.52x = 8,805.78 × 2,361.60
  4. Step 4: Simplify right side
    5,870.52x = 20,795,730.05
  5. Step 5: Solve for x
    x = 20,795,730.05/5,870.52
  6. Step 6: Final answer
    x = 3,542.40

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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.