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Finding the Fourth Proportional to 60,912.60, 91,247.40 and 53,606.40

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Solution

The fourth proportional to 60,912.60, 91,247.40 and 53,606.40 is: 80,302.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,912.60 : 91,247.40 = 53,606.40 : x
  2. Step 2: Convert to fraction form
    60,912.60/91,247.40 = 53,606.40/x
  3. Step 3: Cross multiply
    60,912.60x = 91,247.40 × 53,606.40
  4. Step 4: Simplify right side
    60,912.60x = 4,891,444,623.36
  5. Step 5: Solve for x
    x = 4,891,444,623.36/60,912.60
  6. Step 6: Final answer
    x = 80,302.67

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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.