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Finding the Fourth Proportional to 14,466.60, 21,699.90 and 5,230.44

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Solution

The fourth proportional to 14,466.60, 21,699.90 and 5,230.44 is: 7,845.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,466.60 : 21,699.90 = 5,230.44 : x
  2. Step 2: Convert to fraction form
    14,466.60/21,699.90 = 5,230.44/x
  3. Step 3: Cross multiply
    14,466.60x = 21,699.90 × 5,230.44
  4. Step 4: Simplify right side
    14,466.60x = 113,500,024.96
  5. Step 5: Solve for x
    x = 113,500,024.96/14,466.60
  6. Step 6: Final answer
    x = 7,845.66

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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.