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Finding the Fourth Proportional to 61,995.45, 85,555.48 and 37,797.81

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Solution

The fourth proportional to 61,995.45, 85,555.48 and 37,797.81 is: 52,162.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,995.45 : 85,555.48 = 37,797.81 : x
  2. Step 2: Convert to fraction form
    61,995.45/85,555.48 = 37,797.81/x
  3. Step 3: Cross multiply
    61,995.45x = 85,555.48 × 37,797.81
  4. Step 4: Simplify right side
    61,995.45x = 3,233,809,777.50
  5. Step 5: Solve for x
    x = 3,233,809,777.50/61,995.45
  6. Step 6: Final answer
    x = 52,162.05

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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.