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Finding the Fourth Proportional to 72,826.00, 109,244.93 and 20,235.49

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Solution

The fourth proportional to 72,826.00, 109,244.93 and 20,235.49 is: 30,354.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,826.00 : 109,244.93 = 20,235.49 : x
  2. Step 2: Convert to fraction form
    72,826.00/109,244.93 = 20,235.49/x
  3. Step 3: Cross multiply
    72,826.00x = 109,244.93 × 20,235.49
  4. Step 4: Simplify right side
    72,826.00x = 2,210,624,314.28
  5. Step 5: Solve for x
    x = 2,210,624,314.28/72,826.00
  6. Step 6: Final answer
    x = 30,354.88

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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.