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Finding the Fourth Proportional to 14,477.63, 21,716.44 and 4,089.65

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Solution

The fourth proportional to 14,477.63, 21,716.44 and 4,089.65 is: 6,134.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,477.63 : 21,716.44 = 4,089.65 : x
  2. Step 2: Convert to fraction form
    14,477.63/21,716.44 = 4,089.65/x
  3. Step 3: Cross multiply
    14,477.63x = 21,716.44 × 4,089.65
  4. Step 4: Simplify right side
    14,477.63x = 88,812,520.04
  5. Step 5: Solve for x
    x = 88,812,520.04/14,477.63
  6. Step 6: Final answer
    x = 6,134.47

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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.