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Finding the Fourth Proportional to 14,466.56, 21,700.02 and 4,605.80

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Solution

The fourth proportional to 14,466.56, 21,700.02 and 4,605.80 is: 6,908.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,466.56 : 21,700.02 = 4,605.80 : x
  2. Step 2: Convert to fraction form
    14,466.56/21,700.02 = 4,605.80/x
  3. Step 3: Cross multiply
    14,466.56x = 21,700.02 × 4,605.80
  4. Step 4: Simplify right side
    14,466.56x = 99,945,952.12
  5. Step 5: Solve for x
    x = 99,945,952.12/14,466.56
  6. Step 6: Final answer
    x = 6,908.76

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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.