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Finding the Fourth Proportional to 64,692.80, 97,006.40 and 29,602.39

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Solution

The fourth proportional to 64,692.80, 97,006.40 and 29,602.39 is: 44,388.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,692.80 : 97,006.40 = 29,602.39 : x
  2. Step 2: Convert to fraction form
    64,692.80/97,006.40 = 29,602.39/x
  3. Step 3: Cross multiply
    64,692.80x = 97,006.40 × 29,602.39
  4. Step 4: Simplify right side
    64,692.80x = 2,871,621,285.30
  5. Step 5: Solve for x
    x = 2,871,621,285.30/64,692.80
  6. Step 6: Final answer
    x = 44,388.58

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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.