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Finding the Fourth Proportional to 52,903.88, 79,360.48 and 19,624.30

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Solution

The fourth proportional to 52,903.88, 79,360.48 and 19,624.30 is: 29,438.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,903.88 : 79,360.48 = 19,624.30 : x
  2. Step 2: Convert to fraction form
    52,903.88/79,360.48 = 19,624.30/x
  3. Step 3: Cross multiply
    52,903.88x = 79,360.48 × 19,624.30
  4. Step 4: Simplify right side
    52,903.88x = 1,557,393,867.66
  5. Step 5: Solve for x
    x = 1,557,393,867.66/52,903.88
  6. Step 6: Final answer
    x = 29,438.18

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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.