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Finding the Fourth Proportional to 52,609.56, 78,925.07 and 19,329.94

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Solution

The fourth proportional to 52,609.56, 78,925.07 and 19,329.94 is: 28,998.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,609.56 : 78,925.07 = 19,329.94 : x
  2. Step 2: Convert to fraction form
    52,609.56/78,925.07 = 19,329.94/x
  3. Step 3: Cross multiply
    52,609.56x = 78,925.07 × 19,329.94
  4. Step 4: Simplify right side
    52,609.56x = 1,525,616,867.60
  5. Step 5: Solve for x
    x = 1,525,616,867.60/52,609.56
  6. Step 6: Final answer
    x = 28,998.85

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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.