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Finding the Fourth Proportional to 52,367.88, 78,504.98 and 19,064.48

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Solution

The fourth proportional to 52,367.88, 78,504.98 and 19,064.48 is: 28,579.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,367.88 : 78,504.98 = 19,064.48 : x
  2. Step 2: Convert to fraction form
    52,367.88/78,504.98 = 19,064.48/x
  3. Step 3: Cross multiply
    52,367.88x = 78,504.98 × 19,064.48
  4. Step 4: Simplify right side
    52,367.88x = 1,496,656,621.11
  5. Step 5: Solve for x
    x = 1,496,656,621.11/52,367.88
  6. Step 6: Final answer
    x = 28,579.67

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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.