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Finding the Fourth Proportional to 14,618.56, 21,927.84 and 4,758.84

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Solution

The fourth proportional to 14,618.56, 21,927.84 and 4,758.84 is: 7,138.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,618.56 : 21,927.84 = 4,758.84 : x
  2. Step 2: Convert to fraction form
    14,618.56/21,927.84 = 4,758.84/x
  3. Step 3: Cross multiply
    14,618.56x = 21,927.84 × 4,758.84
  4. Step 4: Simplify right side
    14,618.56x = 104,351,082.11
  5. Step 5: Solve for x
    x = 104,351,082.11/14,618.56
  6. Step 6: Final answer
    x = 7,138.26

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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.