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Finding the Fourth Proportional to 55,856.79, 83,803.41 and 22,559.72

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Solution

The fourth proportional to 55,856.79, 83,803.41 and 22,559.72 is: 33,846.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,856.79 : 83,803.41 = 22,559.72 : x
  2. Step 2: Convert to fraction form
    55,856.79/83,803.41 = 22,559.72/x
  3. Step 3: Cross multiply
    55,856.79x = 83,803.41 × 22,559.72
  4. Step 4: Simplify right side
    55,856.79x = 1,890,581,045.63
  5. Step 5: Solve for x
    x = 1,890,581,045.63/55,856.79
  6. Step 6: Final answer
    x = 33,846.93

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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.