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Finding the Fourth Proportional to 52,893.08, 79,347.04 and 15,455.88

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Solution

The fourth proportional to 52,893.08, 79,347.04 and 15,455.88 is: 23,185.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,893.08 : 79,347.04 = 15,455.88 : x
  2. Step 2: Convert to fraction form
    52,893.08/79,347.04 = 15,455.88/x
  3. Step 3: Cross multiply
    52,893.08x = 79,347.04 × 15,455.88
  4. Step 4: Simplify right side
    52,893.08x = 1,226,378,328.60
  5. Step 5: Solve for x
    x = 1,226,378,328.60/52,893.08
  6. Step 6: Final answer
    x = 23,185.99

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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.