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Finding the Fourth Proportional to 12,492.52, 18,753.16 and 6,349.48

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Solution

The fourth proportional to 12,492.52, 18,753.16 and 6,349.48 is: 9,531.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,492.52 : 18,753.16 = 6,349.48 : x
  2. Step 2: Convert to fraction form
    12,492.52/18,753.16 = 6,349.48/x
  3. Step 3: Cross multiply
    12,492.52x = 18,753.16 × 6,349.48
  4. Step 4: Simplify right side
    12,492.52x = 119,072,814.36
  5. Step 5: Solve for x
    x = 119,072,814.36/12,492.52
  6. Step 6: Final answer
    x = 9,531.53

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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.