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Finding the Fourth Proportional to 34,013.70, 46,937.97 and 18,905.97

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Solution

The fourth proportional to 34,013.70, 46,937.97 and 18,905.97 is: 26,089.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,013.70 : 46,937.97 = 18,905.97 : x
  2. Step 2: Convert to fraction form
    34,013.70/46,937.97 = 18,905.97/x
  3. Step 3: Cross multiply
    34,013.70x = 46,937.97 × 18,905.97
  4. Step 4: Simplify right side
    34,013.70x = 887,407,852.68
  5. Step 5: Solve for x
    x = 887,407,852.68/34,013.70
  6. Step 6: Final answer
    x = 26,089.72

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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.