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Finding the Fourth Proportional to 43,601.47, 65,395.98 and 14,015.47

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Solution

The fourth proportional to 43,601.47, 65,395.98 and 14,015.47 is: 21,021.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,601.47 : 65,395.98 = 14,015.47 : x
  2. Step 2: Convert to fraction form
    43,601.47/65,395.98 = 14,015.47/x
  3. Step 3: Cross multiply
    43,601.47x = 65,395.98 × 14,015.47
  4. Step 4: Simplify right side
    43,601.47x = 916,555,395.81
  5. Step 5: Solve for x
    x = 916,555,395.81/43,601.47
  6. Step 6: Final answer
    x = 21,021.20

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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.