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Finding the Fourth Proportional to 25,999.65, 35,879.40 and 14,063.01

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Solution

The fourth proportional to 25,999.65, 35,879.40 and 14,063.01 is: 19,406.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,999.65 : 35,879.40 = 14,063.01 : x
  2. Step 2: Convert to fraction form
    25,999.65/35,879.40 = 14,063.01/x
  3. Step 3: Cross multiply
    25,999.65x = 35,879.40 × 14,063.01
  4. Step 4: Simplify right side
    25,999.65x = 504,572,360.99
  5. Step 5: Solve for x
    x = 504,572,360.99/25,999.65
  6. Step 6: Final answer
    x = 19,406.89

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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.