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Finding the Fourth Proportional to 23,410.90, 35,116.35 and 8,620.30

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Solution

The fourth proportional to 23,410.90, 35,116.35 and 8,620.30 is: 12,930.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,410.90 : 35,116.35 = 8,620.30 : x
  2. Step 2: Convert to fraction form
    23,410.90/35,116.35 = 8,620.30/x
  3. Step 3: Cross multiply
    23,410.90x = 35,116.35 × 8,620.30
  4. Step 4: Simplify right side
    23,410.90x = 302,713,471.91
  5. Step 5: Solve for x
    x = 302,713,471.91/23,410.90
  6. Step 6: Final answer
    x = 12,930.45

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Similar ratio
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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.