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Finding the Fourth Proportional to 62,817.40, 94,196.40 and 36,530.20

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Solution

The fourth proportional to 62,817.40, 94,196.40 and 36,530.20 is: 54,778.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,817.40 : 94,196.40 = 36,530.20 : x
  2. Step 2: Convert to fraction form
    62,817.40/94,196.40 = 36,530.20/x
  3. Step 3: Cross multiply
    62,817.40x = 94,196.40 × 36,530.20
  4. Step 4: Simplify right side
    62,817.40x = 3,441,013,331.28
  5. Step 5: Solve for x
    x = 3,441,013,331.28/62,817.40
  6. Step 6: Final answer
    x = 54,778.03

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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.