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Finding the Fourth Proportional to 85,207.60, 127,825.44 and 26,029.54

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Solution

The fourth proportional to 85,207.60, 127,825.44 and 26,029.54 is: 39,048.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,207.60 : 127,825.44 = 26,029.54 : x
  2. Step 2: Convert to fraction form
    85,207.60/127,825.44 = 26,029.54/x
  3. Step 3: Cross multiply
    85,207.60x = 127,825.44 × 26,029.54
  4. Step 4: Simplify right side
    85,207.60x = 3,327,237,403.50
  5. Step 5: Solve for x
    x = 3,327,237,403.50/85,207.60
  6. Step 6: Final answer
    x = 39,048.60

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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.