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Finding the Fourth Proportional to 31,943.54, 44,064.74 and 20,004.54

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Solution

The fourth proportional to 31,943.54, 44,064.74 and 20,004.54 is: 27,595.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,943.54 : 44,064.74 = 20,004.54 : x
  2. Step 2: Convert to fraction form
    31,943.54/44,064.74 = 20,004.54/x
  3. Step 3: Cross multiply
    31,943.54x = 44,064.74 × 20,004.54
  4. Step 4: Simplify right side
    31,943.54x = 881,494,853.92
  5. Step 5: Solve for x
    x = 881,494,853.92/31,943.54
  6. Step 6: Final answer
    x = 27,595.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.