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Finding the Fourth Proportional to 56,953.92, 78,633.36 and 50,975.22

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Solution

The fourth proportional to 56,953.92, 78,633.36 and 50,975.22 is: 70,378.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,953.92 : 78,633.36 = 50,975.22 : x
  2. Step 2: Convert to fraction form
    56,953.92/78,633.36 = 50,975.22/x
  3. Step 3: Cross multiply
    56,953.92x = 78,633.36 × 50,975.22
  4. Step 4: Simplify right side
    56,953.92x = 4,008,352,825.34
  5. Step 5: Solve for x
    x = 4,008,352,825.34/56,953.92
  6. Step 6: Final answer
    x = 70,378.88

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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.