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Finding the Fourth Proportional to 62,181.50, 85,810.50 and 33,887.18

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Solution

The fourth proportional to 62,181.50, 85,810.50 and 33,887.18 is: 46,764.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,181.50 : 85,810.50 = 33,887.18 : x
  2. Step 2: Convert to fraction form
    62,181.50/85,810.50 = 33,887.18/x
  3. Step 3: Cross multiply
    62,181.50x = 85,810.50 × 33,887.18
  4. Step 4: Simplify right side
    62,181.50x = 2,907,875,859.39
  5. Step 5: Solve for x
    x = 2,907,875,859.39/62,181.50
  6. Step 6: Final answer
    x = 46,764.32

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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.