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Finding the Fourth Proportional to 23,012.58, 34,512.06 and 9,861.90

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Solution

The fourth proportional to 23,012.58, 34,512.06 and 9,861.90 is: 14,789.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,012.58 : 34,512.06 = 9,861.90 : x
  2. Step 2: Convert to fraction form
    23,012.58/34,512.06 = 9,861.90/x
  3. Step 3: Cross multiply
    23,012.58x = 34,512.06 × 9,861.90
  4. Step 4: Simplify right side
    23,012.58x = 340,354,484.51
  5. Step 5: Solve for x
    x = 340,354,484.51/23,012.58
  6. Step 6: Final answer
    x = 14,789.93

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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.