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Finding the Fourth Proportional to 16,671.52, 25,012.74 and 6,819.08

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Solution

The fourth proportional to 16,671.52, 25,012.74 and 6,819.08 is: 10,230.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,671.52 : 25,012.74 = 6,819.08 : x
  2. Step 2: Convert to fraction form
    16,671.52/25,012.74 = 6,819.08/x
  3. Step 3: Cross multiply
    16,671.52x = 25,012.74 × 6,819.08
  4. Step 4: Simplify right side
    16,671.52x = 170,563,875.08
  5. Step 5: Solve for x
    x = 170,563,875.08/16,671.52
  6. Step 6: Final answer
    x = 10,230.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.