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Finding the Fourth Proportional to 43,395.74, 65,093.13 and 10,563.74

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Solution

The fourth proportional to 43,395.74, 65,093.13 and 10,563.74 is: 15,845.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,395.74 : 65,093.13 = 10,563.74 : x
  2. Step 2: Convert to fraction form
    43,395.74/65,093.13 = 10,563.74/x
  3. Step 3: Cross multiply
    43,395.74x = 65,093.13 × 10,563.74
  4. Step 4: Simplify right side
    43,395.74x = 687,626,901.11
  5. Step 5: Solve for x
    x = 687,626,901.11/43,395.74
  6. Step 6: Final answer
    x = 15,845.49

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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.