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Finding the Fourth Proportional to 26,107.67, 39,108.83 and 12,048.16

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Solution

The fourth proportional to 26,107.67, 39,108.83 and 12,048.16 is: 18,047.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,107.67 : 39,108.83 = 12,048.16 : x
  2. Step 2: Convert to fraction form
    26,107.67/39,108.83 = 12,048.16/x
  3. Step 3: Cross multiply
    26,107.67x = 39,108.83 × 12,048.16
  4. Step 4: Simplify right side
    26,107.67x = 471,189,381.01
  5. Step 5: Solve for x
    x = 471,189,381.01/26,107.67
  6. Step 6: Final answer
    x = 18,047.93

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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.