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Finding the Fourth Proportional to 55,692.97, 83,520 and 22,404.40

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Solution

The fourth proportional to 55,692.97, 83,520 and 22,404.40 is: 33,598.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,692.97 : 83,520 = 22,404.40 : x
  2. Step 2: Convert to fraction form
    55,692.97/83,520 = 22,404.40/x
  3. Step 3: Cross multiply
    55,692.97x = 83,520 × 22,404.40
  4. Step 4: Simplify right side
    55,692.97x = 1,871,215,488.00
  5. Step 5: Solve for x
    x = 1,871,215,488.00/55,692.97
  6. Step 6: Final answer
    x = 33,598.77

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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.