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Finding the Fourth Proportional to 14,608.56, 21,916.08 and 4,219.56

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Solution

The fourth proportional to 14,608.56, 21,916.08 and 4,219.56 is: 6,330.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,608.56 : 21,916.08 = 4,219.56 : x
  2. Step 2: Convert to fraction form
    14,608.56/21,916.08 = 4,219.56/x
  3. Step 3: Cross multiply
    14,608.56x = 21,916.08 × 4,219.56
  4. Step 4: Simplify right side
    14,608.56x = 92,476,214.52
  5. Step 5: Solve for x
    x = 92,476,214.52/14,608.56
  6. Step 6: Final answer
    x = 6,330.28

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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.