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Finding the Fourth Proportional to 5,867.80, 8,801.72 and 1,485.26

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Solution

The fourth proportional to 5,867.80, 8,801.72 and 1,485.26 is: 2,227.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,867.80 : 8,801.72 = 1,485.26 : x
  2. Step 2: Convert to fraction form
    5,867.80/8,801.72 = 1,485.26/x
  3. Step 3: Cross multiply
    5,867.80x = 8,801.72 × 1,485.26
  4. Step 4: Simplify right side
    5,867.80x = 13,072,868.36
  5. Step 5: Solve for x
    x = 13,072,868.36/5,867.80
  6. Step 6: Final answer
    x = 2,227.90

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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.