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Finding the Fourth Proportional to 56,347.78, 84,535.71 and 16,905.62

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Solution

The fourth proportional to 56,347.78, 84,535.71 and 16,905.62 is: 25,362.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,347.78 : 84,535.71 = 16,905.62 : x
  2. Step 2: Convert to fraction form
    56,347.78/84,535.71 = 16,905.62/x
  3. Step 3: Cross multiply
    56,347.78x = 84,535.71 × 16,905.62
  4. Step 4: Simplify right side
    56,347.78x = 1,429,128,589.69
  5. Step 5: Solve for x
    x = 1,429,128,589.69/56,347.78
  6. Step 6: Final answer
    x = 25,362.64

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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.