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Finding the Fourth Proportional to 16,442.70, 24,664.05 and 15,276.30

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Solution

The fourth proportional to 16,442.70, 24,664.05 and 15,276.30 is: 22,914.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,442.70 : 24,664.05 = 15,276.30 : x
  2. Step 2: Convert to fraction form
    16,442.70/24,664.05 = 15,276.30/x
  3. Step 3: Cross multiply
    16,442.70x = 24,664.05 × 15,276.30
  4. Step 4: Simplify right side
    16,442.70x = 376,775,427.02
  5. Step 5: Solve for x
    x = 376,775,427.02/16,442.70
  6. Step 6: Final answer
    x = 22,914.45

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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.