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Finding the Fourth Proportional to 29,297.60, 43,946.40 and 8,521.10

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Solution

The fourth proportional to 29,297.60, 43,946.40 and 8,521.10 is: 12,781.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,297.60 : 43,946.40 = 8,521.10 : x
  2. Step 2: Convert to fraction form
    29,297.60/43,946.40 = 8,521.10/x
  3. Step 3: Cross multiply
    29,297.60x = 43,946.40 × 8,521.10
  4. Step 4: Simplify right side
    29,297.60x = 374,471,669.04
  5. Step 5: Solve for x
    x = 374,471,669.04/29,297.60
  6. Step 6: Final answer
    x = 12,781.65

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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.