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Finding the Fourth Proportional to 14,349.98, 21,524.84 and 8,502.38

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Solution

The fourth proportional to 14,349.98, 21,524.84 and 8,502.38 is: 12,753.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,349.98 : 21,524.84 = 8,502.38 : x
  2. Step 2: Convert to fraction form
    14,349.98/21,524.84 = 8,502.38/x
  3. Step 3: Cross multiply
    14,349.98x = 21,524.84 × 8,502.38
  4. Step 4: Simplify right side
    14,349.98x = 183,012,369.12
  5. Step 5: Solve for x
    x = 183,012,369.12/14,349.98
  6. Step 6: Final answer
    x = 12,753.49

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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.