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Finding the Fourth Proportional to 16,414.28, 24,621.42 and 7,655.32

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Solution

The fourth proportional to 16,414.28, 24,621.42 and 7,655.32 is: 11,482.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,414.28 : 24,621.42 = 7,655.32 : x
  2. Step 2: Convert to fraction form
    16,414.28/24,621.42 = 7,655.32/x
  3. Step 3: Cross multiply
    16,414.28x = 24,621.42 × 7,655.32
  4. Step 4: Simplify right side
    16,414.28x = 188,484,848.95
  5. Step 5: Solve for x
    x = 188,484,848.95/16,414.28
  6. Step 6: Final answer
    x = 11,482.98

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Similar ratio
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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.