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Finding the Fourth Proportional to 43,700.28, 65,550.36 and 10,868.28

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Solution

The fourth proportional to 43,700.28, 65,550.36 and 10,868.28 is: 16,302.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,700.28 : 65,550.36 = 10,868.28 : x
  2. Step 2: Convert to fraction form
    43,700.28/65,550.36 = 10,868.28/x
  3. Step 3: Cross multiply
    43,700.28x = 65,550.36 × 10,868.28
  4. Step 4: Simplify right side
    43,700.28x = 712,419,666.58
  5. Step 5: Solve for x
    x = 712,419,666.58/43,700.28
  6. Step 6: Final answer
    x = 16,302.41

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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.