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Finding the Fourth Proportional to 39,470.50, 54,469.29 and 22,703.50

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Solution

The fourth proportional to 39,470.50, 54,469.29 and 22,703.50 is: 31,330.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,470.50 : 54,469.29 = 22,703.50 : x
  2. Step 2: Convert to fraction form
    39,470.50/54,469.29 = 22,703.50/x
  3. Step 3: Cross multiply
    39,470.50x = 54,469.29 × 22,703.50
  4. Step 4: Simplify right side
    39,470.50x = 1,236,643,525.52
  5. Step 5: Solve for x
    x = 1,236,643,525.52/39,470.50
  6. Step 6: Final answer
    x = 31,330.83

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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.