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Finding the Fourth Proportional to 52,871.38, 79,307.06 and 15,935.38

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Solution

The fourth proportional to 52,871.38, 79,307.06 and 15,935.38 is: 23,903.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,871.38 : 79,307.06 = 15,935.38 : x
  2. Step 2: Convert to fraction form
    52,871.38/79,307.06 = 15,935.38/x
  3. Step 3: Cross multiply
    52,871.38x = 79,307.06 × 15,935.38
  4. Step 4: Simplify right side
    52,871.38x = 1,263,788,137.78
  5. Step 5: Solve for x
    x = 1,263,788,137.78/52,871.38
  6. Step 6: Final answer
    x = 23,903.07

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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.