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Finding the Fourth Proportional to 64,359.60, 96,409.80 and 44,660.40

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Solution

The fourth proportional to 64,359.60, 96,409.80 and 44,660.40 is: 66,900.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,359.60 : 96,409.80 = 44,660.40 : x
  2. Step 2: Convert to fraction form
    64,359.60/96,409.80 = 44,660.40/x
  3. Step 3: Cross multiply
    64,359.60x = 96,409.80 × 44,660.40
  4. Step 4: Simplify right side
    64,359.60x = 4,305,700,231.92
  5. Step 5: Solve for x
    x = 4,305,700,231.92/64,359.60
  6. Step 6: Final answer
    x = 66,900.67

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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.