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Finding the Fourth Proportional to 65,240.75, 97,861.13 and 15,992.75

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Solution

The fourth proportional to 65,240.75, 97,861.13 and 15,992.75 is: 23,989.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,240.75 : 97,861.13 = 15,992.75 : x
  2. Step 2: Convert to fraction form
    65,240.75/97,861.13 = 15,992.75/x
  3. Step 3: Cross multiply
    65,240.75x = 97,861.13 × 15,992.75
  4. Step 4: Simplify right side
    65,240.75x = 1,565,068,586.81
  5. Step 5: Solve for x
    x = 1,565,068,586.81/65,240.75
  6. Step 6: Final answer
    x = 23,989.13

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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.