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Finding the Fourth Proportional to 64,660.52, 97,056.12 and 45,961.67

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Solution

The fourth proportional to 64,660.52, 97,056.12 and 45,961.67 is: 68,988.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,660.52 : 97,056.12 = 45,961.67 : x
  2. Step 2: Convert to fraction form
    64,660.52/97,056.12 = 45,961.67/x
  3. Step 3: Cross multiply
    64,660.52x = 97,056.12 × 45,961.67
  4. Step 4: Simplify right side
    64,660.52x = 4,460,861,358.92
  5. Step 5: Solve for x
    x = 4,460,861,358.92/64,660.52
  6. Step 6: Final answer
    x = 68,988.95

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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.