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Finding the Fourth Proportional to 70,609.50, 105,958.02 and 41,041.26

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Solution

The fourth proportional to 70,609.50, 105,958.02 and 41,041.26 is: 61,587.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,609.50 : 105,958.02 = 41,041.26 : x
  2. Step 2: Convert to fraction form
    70,609.50/105,958.02 = 41,041.26/x
  3. Step 3: Cross multiply
    70,609.50x = 105,958.02 × 41,041.26
  4. Step 4: Simplify right side
    70,609.50x = 4,348,650,647.91
  5. Step 5: Solve for x
    x = 4,348,650,647.91/70,609.50
  6. Step 6: Final answer
    x = 61,587.33

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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.