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Finding the Fourth Proportional to 43,855.56, 65,766.18 and 14,266.20

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Solution

The fourth proportional to 43,855.56, 65,766.18 and 14,266.20 is: 21,393.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,855.56 : 65,766.18 = 14,266.20 : x
  2. Step 2: Convert to fraction form
    43,855.56/65,766.18 = 14,266.20/x
  3. Step 3: Cross multiply
    43,855.56x = 65,766.18 × 14,266.20
  4. Step 4: Simplify right side
    43,855.56x = 938,233,477.12
  5. Step 5: Solve for x
    x = 938,233,477.12/43,855.56
  6. Step 6: Final answer
    x = 21,393.72

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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.