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Finding the Fourth Proportional to 60,692.11, 90,918.01 and 28,627.27

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Solution

The fourth proportional to 60,692.11, 90,918.01 and 28,627.27 is: 42,884.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,692.11 : 90,918.01 = 28,627.27 : x
  2. Step 2: Convert to fraction form
    60,692.11/90,918.01 = 28,627.27/x
  3. Step 3: Cross multiply
    60,692.11x = 90,918.01 × 28,627.27
  4. Step 4: Simplify right side
    60,692.11x = 2,602,734,420.13
  5. Step 5: Solve for x
    x = 2,602,734,420.13/60,692.11
  6. Step 6: Final answer
    x = 42,884.23

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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.