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Finding the Fourth Proportional to 52,855.86, 79,309.65 and 23,269.98

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Solution

The fourth proportional to 52,855.86, 79,309.65 and 23,269.98 is: 34,916.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,855.86 : 79,309.65 = 23,269.98 : x
  2. Step 2: Convert to fraction form
    52,855.86/79,309.65 = 23,269.98/x
  3. Step 3: Cross multiply
    52,855.86x = 79,309.65 × 23,269.98
  4. Step 4: Simplify right side
    52,855.86x = 1,845,533,969.31
  5. Step 5: Solve for x
    x = 1,845,533,969.31/52,855.86
  6. Step 6: Final answer
    x = 34,916.35

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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.