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Finding the Fourth Proportional to 84,889.56, 127,334.40 and 29,485.56

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Solution

The fourth proportional to 84,889.56, 127,334.40 and 29,485.56 is: 44,228.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,889.56 : 127,334.40 = 29,485.56 : x
  2. Step 2: Convert to fraction form
    84,889.56/127,334.40 = 29,485.56/x
  3. Step 3: Cross multiply
    84,889.56x = 127,334.40 × 29,485.56
  4. Step 4: Simplify right side
    84,889.56x = 3,754,526,091.26
  5. Step 5: Solve for x
    x = 3,754,526,091.26/84,889.56
  6. Step 6: Final answer
    x = 44,228.36

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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.