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Finding the Fourth Proportional to 34,016.70, 51,012.90 and 11,830.80

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Solution

The fourth proportional to 34,016.70, 51,012.90 and 11,830.80 is: 17,741.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,016.70 : 51,012.90 = 11,830.80 : x
  2. Step 2: Convert to fraction form
    34,016.70/51,012.90 = 11,830.80/x
  3. Step 3: Cross multiply
    34,016.70x = 51,012.90 × 11,830.80
  4. Step 4: Simplify right side
    34,016.70x = 603,523,417.32
  5. Step 5: Solve for x
    x = 603,523,417.32/34,016.70
  6. Step 6: Final answer
    x = 17,741.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.