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Finding the Fourth Proportional to 53,674.74, 80,410.59 and 51,422.58

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Solution

The fourth proportional to 53,674.74, 80,410.59 and 51,422.58 is: 77,036.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,674.74 : 80,410.59 = 51,422.58 : x
  2. Step 2: Convert to fraction form
    53,674.74/80,410.59 = 51,422.58/x
  3. Step 3: Cross multiply
    53,674.74x = 80,410.59 × 51,422.58
  4. Step 4: Simplify right side
    53,674.74x = 4,134,919,997.12
  5. Step 5: Solve for x
    x = 4,134,919,997.12/53,674.74
  6. Step 6: Final answer
    x = 77,036.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.