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Finding the Fourth Proportional to 65,240.80, 97,861.20 and 23,682.40

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Solution

The fourth proportional to 65,240.80, 97,861.20 and 23,682.40 is: 35,523.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,240.80 : 97,861.20 = 23,682.40 : x
  2. Step 2: Convert to fraction form
    65,240.80/97,861.20 = 23,682.40/x
  3. Step 3: Cross multiply
    65,240.80x = 97,861.20 × 23,682.40
  4. Step 4: Simplify right side
    65,240.80x = 2,317,588,082.88
  5. Step 5: Solve for x
    x = 2,317,588,082.88/65,240.80
  6. Step 6: Final answer
    x = 35,523.60

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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.