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Finding the Fourth Proportional to 25,999.06, 39,001 and 7,279.06

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Solution

The fourth proportional to 25,999.06, 39,001 and 7,279.06 is: 10,919.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,999.06 : 39,001 = 7,279.06 : x
  2. Step 2: Convert to fraction form
    25,999.06/39,001 = 7,279.06/x
  3. Step 3: Cross multiply
    25,999.06x = 39,001 × 7,279.06
  4. Step 4: Simplify right side
    25,999.06x = 283,890,619.06
  5. Step 5: Solve for x
    x = 283,890,619.06/25,999.06
  6. Step 6: Final answer
    x = 10,919.26

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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.