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Finding the Fourth Proportional to 14,099.88, 21,153.08 and 4,741.16

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Solution

The fourth proportional to 14,099.88, 21,153.08 and 4,741.16 is: 7,112.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,099.88 : 21,153.08 = 4,741.16 : x
  2. Step 2: Convert to fraction form
    14,099.88/21,153.08 = 4,741.16/x
  3. Step 3: Cross multiply
    14,099.88x = 21,153.08 × 4,741.16
  4. Step 4: Simplify right side
    14,099.88x = 100,290,136.77
  5. Step 5: Solve for x
    x = 100,290,136.77/14,099.88
  6. Step 6: Final answer
    x = 7,112.84

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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.