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Finding the Fourth Proportional to 52,562.50, 78,855.27 and 19,730.50

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Solution

The fourth proportional to 52,562.50, 78,855.27 and 19,730.50 is: 29,600.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,562.50 : 78,855.27 = 19,730.50 : x
  2. Step 2: Convert to fraction form
    52,562.50/78,855.27 = 19,730.50/x
  3. Step 3: Cross multiply
    52,562.50x = 78,855.27 × 19,730.50
  4. Step 4: Simplify right side
    52,562.50x = 1,555,853,904.74
  5. Step 5: Solve for x
    x = 1,555,853,904.74/52,562.50
  6. Step 6: Final answer
    x = 29,600.07

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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.