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Finding the Fourth Proportional to 8,840.60, 13,258.84 and 3,907.55

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Solution

The fourth proportional to 8,840.60, 13,258.84 and 3,907.55 is: 5,860.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,840.60 : 13,258.84 = 3,907.55 : x
  2. Step 2: Convert to fraction form
    8,840.60/13,258.84 = 3,907.55/x
  3. Step 3: Cross multiply
    8,840.60x = 13,258.84 × 3,907.55
  4. Step 4: Simplify right side
    8,840.60x = 51,809,580.24
  5. Step 5: Solve for x
    x = 51,809,580.24/8,840.60
  6. Step 6: Final answer
    x = 5,860.41

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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.