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Finding the Fourth Proportional to 59,666.78, 82,340.46 and 32,811.02

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Solution

The fourth proportional to 59,666.78, 82,340.46 and 32,811.02 is: 45,279.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,666.78 : 82,340.46 = 32,811.02 : x
  2. Step 2: Convert to fraction form
    59,666.78/82,340.46 = 32,811.02/x
  3. Step 3: Cross multiply
    59,666.78x = 82,340.46 × 32,811.02
  4. Step 4: Simplify right side
    59,666.78x = 2,701,674,479.87
  5. Step 5: Solve for x
    x = 2,701,674,479.87/59,666.78
  6. Step 6: Final answer
    x = 45,279.37

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.