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Finding the Fourth Proportional to 25,999.40, 35,879.18 and 14,062.74

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Solution

The fourth proportional to 25,999.40, 35,879.18 and 14,062.74 is: 19,406.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,999.40 : 35,879.18 = 14,062.74 : x
  2. Step 2: Convert to fraction form
    25,999.40/35,879.18 = 14,062.74/x
  3. Step 3: Cross multiply
    25,999.40x = 35,879.18 × 14,062.74
  4. Step 4: Simplify right side
    25,999.40x = 504,559,509.44
  5. Step 5: Solve for x
    x = 504,559,509.44/25,999.40
  6. Step 6: Final answer
    x = 19,406.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.