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Finding the Fourth Proportional to 51,355.68, 70,905.69 and 33,250.02

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Solution

The fourth proportional to 51,355.68, 70,905.69 and 33,250.02 is: 45,907.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,355.68 : 70,905.69 = 33,250.02 : x
  2. Step 2: Convert to fraction form
    51,355.68/70,905.69 = 33,250.02/x
  3. Step 3: Cross multiply
    51,355.68x = 70,905.69 × 33,250.02
  4. Step 4: Simplify right side
    51,355.68x = 2,357,615,610.61
  5. Step 5: Solve for x
    x = 2,357,615,610.61/51,355.68
  6. Step 6: Final answer
    x = 45,907.59

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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.