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Finding the Fourth Proportional to 14,904.45, 20,559.02 and 8,850.58

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Solution

The fourth proportional to 14,904.45, 20,559.02 and 8,850.58 is: 12,208.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,904.45 : 20,559.02 = 8,850.58 : x
  2. Step 2: Convert to fraction form
    14,904.45/20,559.02 = 8,850.58/x
  3. Step 3: Cross multiply
    14,904.45x = 20,559.02 × 8,850.58
  4. Step 4: Simplify right side
    14,904.45x = 181,959,155.58
  5. Step 5: Solve for x
    x = 181,959,155.58/14,904.45
  6. Step 6: Final answer
    x = 12,208.38

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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.