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Finding the Fourth Proportional to 20,946.30, 29,363.70 and 20,946.30

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Solution

The fourth proportional to 20,946.30, 29,363.70 and 20,946.30 is: 29,363.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,946.30 : 29,363.70 = 20,946.30 : x
  2. Step 2: Convert to fraction form
    20,946.30/29,363.70 = 20,946.30/x
  3. Step 3: Cross multiply
    20,946.30x = 29,363.70 × 20,946.30
  4. Step 4: Simplify right side
    20,946.30x = 615,060,869.31
  5. Step 5: Solve for x
    x = 615,060,869.31/20,946.30
  6. Step 6: Final answer
    x = 29,363.70

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These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.