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Finding the Fourth Proportional to 14,361.15, 21,532.91 and 5,585.84

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Solution

The fourth proportional to 14,361.15, 21,532.91 and 5,585.84 is: 8,375.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,361.15 : 21,532.91 = 5,585.84 : x
  2. Step 2: Convert to fraction form
    14,361.15/21,532.91 = 5,585.84/x
  3. Step 3: Cross multiply
    14,361.15x = 21,532.91 × 5,585.84
  4. Step 4: Simplify right side
    14,361.15x = 120,279,254.40
  5. Step 5: Solve for x
    x = 120,279,254.40/14,361.15
  6. Step 6: Final answer
    x = 8,375.32

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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.