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Finding the Fourth Proportional to 61,428.84, 92,106.90 and 23,945.15

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Solution

The fourth proportional to 61,428.84, 92,106.90 and 23,945.15 is: 35,903.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,428.84 : 92,106.90 = 23,945.15 : x
  2. Step 2: Convert to fraction form
    61,428.84/92,106.90 = 23,945.15/x
  3. Step 3: Cross multiply
    61,428.84x = 92,106.90 × 23,945.15
  4. Step 4: Simplify right side
    61,428.84x = 2,205,513,766.80
  5. Step 5: Solve for x
    x = 2,205,513,766.80/61,428.84
  6. Step 6: Final answer
    x = 35,903.56

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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.