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Finding the Fourth Proportional to 61,750.56, 85,202.64 and 36,608.16

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Solution

The fourth proportional to 61,750.56, 85,202.64 and 36,608.16 is: 50,511.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,750.56 : 85,202.64 = 36,608.16 : x
  2. Step 2: Convert to fraction form
    61,750.56/85,202.64 = 36,608.16/x
  3. Step 3: Cross multiply
    61,750.56x = 85,202.64 × 36,608.16
  4. Step 4: Simplify right side
    61,750.56x = 3,119,111,877.54
  5. Step 5: Solve for x
    x = 3,119,111,877.54/61,750.56
  6. Step 6: Final answer
    x = 50,511.48

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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.