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Finding the Fourth Proportional to 55,010.28, 75,976.02 and 37,178.88

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Solution

The fourth proportional to 55,010.28, 75,976.02 and 37,178.88 is: 51,348.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,010.28 : 75,976.02 = 37,178.88 : x
  2. Step 2: Convert to fraction form
    55,010.28/75,976.02 = 37,178.88/x
  3. Step 3: Cross multiply
    55,010.28x = 75,976.02 × 37,178.88
  4. Step 4: Simplify right side
    55,010.28x = 2,824,703,330.46
  5. Step 5: Solve for x
    x = 2,824,703,330.46/55,010.28
  6. Step 6: Final answer
    x = 51,348.64

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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.