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Finding the Fourth Proportional to 29,305.60, 43,929.60 and 14,516.80

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Solution

The fourth proportional to 29,305.60, 43,929.60 and 14,516.80 is: 21,760.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,305.60 : 43,929.60 = 14,516.80 : x
  2. Step 2: Convert to fraction form
    29,305.60/43,929.60 = 14,516.80/x
  3. Step 3: Cross multiply
    29,305.60x = 43,929.60 × 14,516.80
  4. Step 4: Simplify right side
    29,305.60x = 637,717,217.28
  5. Step 5: Solve for x
    x = 637,717,217.28/29,305.60
  6. Step 6: Final answer
    x = 21,760.93

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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.