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Finding the Fourth Proportional to 34,594.88, 47,738.28 and 20,444.96

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Solution

The fourth proportional to 34,594.88, 47,738.28 and 20,444.96 is: 28,212.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,594.88 : 47,738.28 = 20,444.96 : x
  2. Step 2: Convert to fraction form
    34,594.88/47,738.28 = 20,444.96/x
  3. Step 3: Cross multiply
    34,594.88x = 47,738.28 × 20,444.96
  4. Step 4: Simplify right side
    34,594.88x = 976,007,225.07
  5. Step 5: Solve for x
    x = 976,007,225.07/34,594.88
  6. Step 6: Final answer
    x = 28,212.48

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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.