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Finding the Fourth Proportional to 14,493.45, 20,004.09 and 8,830.05

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Solution

The fourth proportional to 14,493.45, 20,004.09 and 8,830.05 is: 12,187.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,493.45 : 20,004.09 = 8,830.05 : x
  2. Step 2: Convert to fraction form
    14,493.45/20,004.09 = 8,830.05/x
  3. Step 3: Cross multiply
    14,493.45x = 20,004.09 × 8,830.05
  4. Step 4: Simplify right side
    14,493.45x = 176,637,114.90
  5. Step 5: Solve for x
    x = 176,637,114.90/14,493.45
  6. Step 6: Final answer
    x = 12,187.38

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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.