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Finding the Fourth Proportional to 43,726, 65,600.07 and 12,561.25

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Solution

The fourth proportional to 43,726, 65,600.07 and 12,561.25 is: 18,845.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,726 : 65,600.07 = 12,561.25 : x
  2. Step 2: Convert to fraction form
    43,726/65,600.07 = 12,561.25/x
  3. Step 3: Cross multiply
    43,726x = 65,600.07 × 12,561.25
  4. Step 4: Simplify right side
    43,726x = 824,018,879.29
  5. Step 5: Solve for x
    x = 824,018,879.29/43,726
  6. Step 6: Final answer
    x = 18,845.06

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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.