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Finding the Fourth Proportional to 14,525.17, 20,042.30 and 8,558.03

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Solution

The fourth proportional to 14,525.17, 20,042.30 and 8,558.03 is: 11,808.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,525.17 : 20,042.30 = 8,558.03 : x
  2. Step 2: Convert to fraction form
    14,525.17/20,042.30 = 8,558.03/x
  3. Step 3: Cross multiply
    14,525.17x = 20,042.30 × 8,558.03
  4. Step 4: Simplify right side
    14,525.17x = 171,522,676.17
  5. Step 5: Solve for x
    x = 171,522,676.17/14,525.17
  6. Step 6: Final answer
    x = 11,808.65

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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.