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Finding the Fourth Proportional to 55,736.65, 76,980.46 and 36,701.52

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Solution

The fourth proportional to 55,736.65, 76,980.46 and 36,701.52 is: 50,690.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,736.65 : 76,980.46 = 36,701.52 : x
  2. Step 2: Convert to fraction form
    55,736.65/76,980.46 = 36,701.52/x
  3. Step 3: Cross multiply
    55,736.65x = 76,980.46 × 36,701.52
  4. Step 4: Simplify right side
    55,736.65x = 2,825,299,892.30
  5. Step 5: Solve for x
    x = 2,825,299,892.30/55,736.65
  6. Step 6: Final answer
    x = 50,690.16

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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.