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Finding the Fourth Proportional to 62,205.50, 85,840.36 and 35,344.28

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Solution

The fourth proportional to 62,205.50, 85,840.36 and 35,344.28 is: 48,773.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,205.50 : 85,840.36 = 35,344.28 : x
  2. Step 2: Convert to fraction form
    62,205.50/85,840.36 = 35,344.28/x
  3. Step 3: Cross multiply
    62,205.50x = 85,840.36 × 35,344.28
  4. Step 4: Simplify right side
    62,205.50x = 3,033,965,845.38
  5. Step 5: Solve for x
    x = 3,033,965,845.38/62,205.50
  6. Step 6: Final answer
    x = 48,773.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.