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Finding the Fourth Proportional to 39,474.63, 54,472.59 and 22,479.59

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Solution

The fourth proportional to 39,474.63, 54,472.59 and 22,479.59 is: 31,020.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,474.63 : 54,472.59 = 22,479.59 : x
  2. Step 2: Convert to fraction form
    39,474.63/54,472.59 = 22,479.59/x
  3. Step 3: Cross multiply
    39,474.63x = 54,472.59 × 22,479.59
  4. Step 4: Simplify right side
    39,474.63x = 1,224,521,364.20
  5. Step 5: Solve for x
    x = 1,224,521,364.20/39,474.63
  6. Step 6: Final answer
    x = 31,020.47

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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.