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Finding the Fourth Proportional to 14,507.21, 21,762.91 and 5,504.65

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Solution

The fourth proportional to 14,507.21, 21,762.91 and 5,504.65 is: 8,257.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,507.21 : 21,762.91 = 5,504.65 : x
  2. Step 2: Convert to fraction form
    14,507.21/21,762.91 = 5,504.65/x
  3. Step 3: Cross multiply
    14,507.21x = 21,762.91 × 5,504.65
  4. Step 4: Simplify right side
    14,507.21x = 119,797,155.01
  5. Step 5: Solve for x
    x = 119,797,155.01/14,507.21
  6. Step 6: Final answer
    x = 8,257.77

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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.