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Finding the Fourth Proportional to 14,469.93, 19,965.29 and 8,807.63

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Solution

The fourth proportional to 14,469.93, 19,965.29 and 8,807.63 is: 12,152.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,469.93 : 19,965.29 = 8,807.63 : x
  2. Step 2: Convert to fraction form
    14,469.93/19,965.29 = 8,807.63/x
  3. Step 3: Cross multiply
    14,469.93x = 19,965.29 × 8,807.63
  4. Step 4: Simplify right side
    14,469.93x = 175,846,743.30
  5. Step 5: Solve for x
    x = 175,846,743.30/14,469.93
  6. Step 6: Final answer
    x = 12,152.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.