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Finding the Fourth Proportional to 19,959.08, 29,946.02 and 9,968.20

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Solution

The fourth proportional to 19,959.08, 29,946.02 and 9,968.20 is: 14,956.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,959.08 : 29,946.02 = 9,968.20 : x
  2. Step 2: Convert to fraction form
    19,959.08/29,946.02 = 9,968.20/x
  3. Step 3: Cross multiply
    19,959.08x = 29,946.02 × 9,968.20
  4. Step 4: Simplify right side
    19,959.08x = 298,507,916.56
  5. Step 5: Solve for x
    x = 298,507,916.56/19,959.08
  6. Step 6: Final answer
    x = 14,956.00

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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.