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Finding the Fourth Proportional to 55,532.98, 83,346.05 and 28,895.32

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Solution

The fourth proportional to 55,532.98, 83,346.05 and 28,895.32 is: 43,367.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,532.98 : 83,346.05 = 28,895.32 : x
  2. Step 2: Convert to fraction form
    55,532.98/83,346.05 = 28,895.32/x
  3. Step 3: Cross multiply
    55,532.98x = 83,346.05 × 28,895.32
  4. Step 4: Simplify right side
    55,532.98x = 2,408,310,785.49
  5. Step 5: Solve for x
    x = 2,408,310,785.49/55,532.98
  6. Step 6: Final answer
    x = 43,367.22

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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.