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Finding the Fourth Proportional to 72,453.36, 108,692.58 and 24,417.36

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Solution

The fourth proportional to 72,453.36, 108,692.58 and 24,417.36 is: 36,630.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,453.36 : 108,692.58 = 24,417.36 : x
  2. Step 2: Convert to fraction form
    72,453.36/108,692.58 = 24,417.36/x
  3. Step 3: Cross multiply
    72,453.36x = 108,692.58 × 24,417.36
  4. Step 4: Simplify right side
    72,453.36x = 2,653,985,855.19
  5. Step 5: Solve for x
    x = 2,653,985,855.19/72,453.36
  6. Step 6: Final answer
    x = 36,630.27

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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.