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Finding the Fourth Proportional to 56,383.37, 84,564.47 and 28,295.89

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Solution

The fourth proportional to 56,383.37, 84,564.47 and 28,295.89 is: 42,438.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,383.37 : 84,564.47 = 28,295.89 : x
  2. Step 2: Convert to fraction form
    56,383.37/84,564.47 = 28,295.89/x
  3. Step 3: Cross multiply
    56,383.37x = 84,564.47 × 28,295.89
  4. Step 4: Simplify right side
    56,383.37x = 2,392,826,941.03
  5. Step 5: Solve for x
    x = 2,392,826,941.03/56,383.37
  6. Step 6: Final answer
    x = 42,438.52

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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.