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Finding the Fourth Proportional to 71,091.01, 98,105.64 and 38,826.08

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Solution

The fourth proportional to 71,091.01, 98,105.64 and 38,826.08 is: 53,580.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,091.01 : 98,105.64 = 38,826.08 : x
  2. Step 2: Convert to fraction form
    71,091.01/98,105.64 = 38,826.08/x
  3. Step 3: Cross multiply
    71,091.01x = 98,105.64 × 38,826.08
  4. Step 4: Simplify right side
    71,091.01x = 3,809,057,232.96
  5. Step 5: Solve for x
    x = 3,809,057,232.96/71,091.01
  6. Step 6: Final answer
    x = 53,580.01

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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.