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Finding the Fourth Proportional to 12,999.67, 19,501.13 and 4,232.23

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Solution

The fourth proportional to 12,999.67, 19,501.13 and 4,232.23 is: 6,348.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,999.67 : 19,501.13 = 4,232.23 : x
  2. Step 2: Convert to fraction form
    12,999.67/19,501.13 = 4,232.23/x
  3. Step 3: Cross multiply
    12,999.67x = 19,501.13 × 4,232.23
  4. Step 4: Simplify right side
    12,999.67x = 82,533,246.26
  5. Step 5: Solve for x
    x = 82,533,246.26/12,999.67
  6. Step 6: Final answer
    x = 6,348.87

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Double scale
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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.