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Finding the Fourth Proportional to 67,129.40, 92,615.50 and 41,626.60

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Solution

The fourth proportional to 67,129.40, 92,615.50 and 41,626.60 is: 57,430.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,129.40 : 92,615.50 = 41,626.60 : x
  2. Step 2: Convert to fraction form
    67,129.40/92,615.50 = 41,626.60/x
  3. Step 3: Cross multiply
    67,129.40x = 92,615.50 × 41,626.60
  4. Step 4: Simplify right side
    67,129.40x = 3,855,268,372.30
  5. Step 5: Solve for x
    x = 3,855,268,372.30/67,129.40
  6. Step 6: Final answer
    x = 57,430.40

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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.