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Finding the Fourth Proportional to 85,041, 127,566.90 and 25,881.03

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Solution

The fourth proportional to 85,041, 127,566.90 and 25,881.03 is: 38,823.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,041 : 127,566.90 = 25,881.03 : x
  2. Step 2: Convert to fraction form
    85,041/127,566.90 = 25,881.03/x
  3. Step 3: Cross multiply
    85,041x = 127,566.90 × 25,881.03
  4. Step 4: Simplify right side
    85,041x = 3,301,562,765.91
  5. Step 5: Solve for x
    x = 3,301,562,765.91/85,041
  6. Step 6: Final answer
    x = 38,823.19

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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.