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Finding the Fourth Proportional to 8,993.10, 13,485.60 and 3,444.60

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Solution

The fourth proportional to 8,993.10, 13,485.60 and 3,444.60 is: 5,165.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,993.10 : 13,485.60 = 3,444.60 : x
  2. Step 2: Convert to fraction form
    8,993.10/13,485.60 = 3,444.60/x
  3. Step 3: Cross multiply
    8,993.10x = 13,485.60 × 3,444.60
  4. Step 4: Simplify right side
    8,993.10x = 46,452,497.76
  5. Step 5: Solve for x
    x = 46,452,497.76/8,993.10
  6. Step 6: Final answer
    x = 5,165.35

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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.