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Finding the Fourth Proportional to 56,338.92, 84,386.89 and 53,026.64

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Solution

The fourth proportional to 56,338.92, 84,386.89 and 53,026.64 is: 79,425.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,338.92 : 84,386.89 = 53,026.64 : x
  2. Step 2: Convert to fraction form
    56,338.92/84,386.89 = 53,026.64/x
  3. Step 3: Cross multiply
    56,338.92x = 84,386.89 × 53,026.64
  4. Step 4: Simplify right side
    56,338.92x = 4,474,752,998.70
  5. Step 5: Solve for x
    x = 4,474,752,998.70/56,338.92
  6. Step 6: Final answer
    x = 79,425.60

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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.