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Finding the Fourth Proportional to 72,049.66, 108,000.64 and 29,954.16

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Solution

The fourth proportional to 72,049.66, 108,000.64 and 29,954.16 is: 44,900.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,049.66 : 108,000.64 = 29,954.16 : x
  2. Step 2: Convert to fraction form
    72,049.66/108,000.64 = 29,954.16/x
  3. Step 3: Cross multiply
    72,049.66x = 108,000.64 × 29,954.16
  4. Step 4: Simplify right side
    72,049.66x = 3,235,068,450.66
  5. Step 5: Solve for x
    x = 3,235,068,450.66/72,049.66
  6. Step 6: Final answer
    x = 44,900.54

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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.