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Finding the Fourth Proportional to 71,608.00, 98,808.05 and 41,387.45

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Solution

The fourth proportional to 71,608.00, 98,808.05 and 41,387.45 is: 57,108.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,608.00 : 98,808.05 = 41,387.45 : x
  2. Step 2: Convert to fraction form
    71,608.00/98,808.05 = 41,387.45/x
  3. Step 3: Cross multiply
    71,608.00x = 98,808.05 × 41,387.45
  4. Step 4: Simplify right side
    71,608.00x = 4,089,413,269.06
  5. Step 5: Solve for x
    x = 4,089,413,269.06/71,608.00
  6. Step 6: Final answer
    x = 57,108.33

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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.