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Finding the Fourth Proportional to 34,554.92, 47,685.86 and 19,650.92

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Solution

The fourth proportional to 34,554.92, 47,685.86 and 19,650.92 is: 27,118.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,554.92 : 47,685.86 = 19,650.92 : x
  2. Step 2: Convert to fraction form
    34,554.92/47,685.86 = 19,650.92/x
  3. Step 3: Cross multiply
    34,554.92x = 47,685.86 × 19,650.92
  4. Step 4: Simplify right side
    34,554.92x = 937,071,019.99
  5. Step 5: Solve for x
    x = 937,071,019.99/34,554.92
  6. Step 6: Final answer
    x = 27,118.31

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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.