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Finding the Fourth Proportional to 60,504.30, 90,744.30 and 28,914.30

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Solution

The fourth proportional to 60,504.30, 90,744.30 and 28,914.30 is: 43,365.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,504.30 : 90,744.30 = 28,914.30 : x
  2. Step 2: Convert to fraction form
    60,504.30/90,744.30 = 28,914.30/x
  3. Step 3: Cross multiply
    60,504.30x = 90,744.30 × 28,914.30
  4. Step 4: Simplify right side
    60,504.30x = 2,623,807,913.49
  5. Step 5: Solve for x
    x = 2,623,807,913.49/60,504.30
  6. Step 6: Final answer
    x = 43,365.64

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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.