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Finding the Fourth Proportional to 39,302.80, 58,917.14 and 19,562.70

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Solution

The fourth proportional to 39,302.80, 58,917.14 and 19,562.70 is: 29,325.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,302.80 : 58,917.14 = 19,562.70 : x
  2. Step 2: Convert to fraction form
    39,302.80/58,917.14 = 19,562.70/x
  3. Step 3: Cross multiply
    39,302.80x = 58,917.14 × 19,562.70
  4. Step 4: Simplify right side
    39,302.80x = 1,152,578,334.68
  5. Step 5: Solve for x
    x = 1,152,578,334.68/39,302.80
  6. Step 6: Final answer
    x = 29,325.60

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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.