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Finding the Fourth Proportional to 43,482.70, 65,232.42 and 18,522.28

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Solution

The fourth proportional to 43,482.70, 65,232.42 and 18,522.28 is: 27,786.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,482.70 : 65,232.42 = 18,522.28 : x
  2. Step 2: Convert to fraction form
    43,482.70/65,232.42 = 18,522.28/x
  3. Step 3: Cross multiply
    43,482.70x = 65,232.42 × 18,522.28
  4. Step 4: Simplify right side
    43,482.70x = 1,208,253,148.32
  5. Step 5: Solve for x
    x = 1,208,253,148.32/43,482.70
  6. Step 6: Final answer
    x = 27,786.99

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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.