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Finding the Fourth Proportional to 14,412.56, 21,619.94 and 5,532.15

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Solution

The fourth proportional to 14,412.56, 21,619.94 and 5,532.15 is: 8,298.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,412.56 : 21,619.94 = 5,532.15 : x
  2. Step 2: Convert to fraction form
    14,412.56/21,619.94 = 5,532.15/x
  3. Step 3: Cross multiply
    14,412.56x = 21,619.94 × 5,532.15
  4. Step 4: Simplify right side
    14,412.56x = 119,604,723.41
  5. Step 5: Solve for x
    x = 119,604,723.41/14,412.56
  6. Step 6: Final answer
    x = 8,298.65

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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.