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Finding the Fourth Proportional to 14,819.06, 20,452.84 and 8,535.08

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Solution

The fourth proportional to 14,819.06, 20,452.84 and 8,535.08 is: 11,779.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,819.06 : 20,452.84 = 8,535.08 : x
  2. Step 2: Convert to fraction form
    14,819.06/20,452.84 = 8,535.08/x
  3. Step 3: Cross multiply
    14,819.06x = 20,452.84 × 8,535.08
  4. Step 4: Simplify right side
    14,819.06x = 174,566,625.63
  5. Step 5: Solve for x
    x = 174,566,625.63/14,819.06
  6. Step 6: Final answer
    x = 11,779.87

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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.