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Finding the Fourth Proportional to 62,382, 93,543.84 and 20,799.84

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Solution

The fourth proportional to 62,382, 93,543.84 and 20,799.84 is: 31,190.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,382 : 93,543.84 = 20,799.84 : x
  2. Step 2: Convert to fraction form
    62,382/93,543.84 = 20,799.84/x
  3. Step 3: Cross multiply
    62,382x = 93,543.84 × 20,799.84
  4. Step 4: Simplify right side
    62,382x = 1,945,696,904.99
  5. Step 5: Solve for x
    x = 1,945,696,904.99/62,382
  6. Step 6: Final answer
    x = 31,190.04

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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.