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Finding the Fourth Proportional to 56,722.97, 78,270.92 and 32,846.40

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Solution

The fourth proportional to 56,722.97, 78,270.92 and 32,846.40 is: 45,324.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,722.97 : 78,270.92 = 32,846.40 : x
  2. Step 2: Convert to fraction form
    56,722.97/78,270.92 = 32,846.40/x
  3. Step 3: Cross multiply
    56,722.97x = 78,270.92 × 32,846.40
  4. Step 4: Simplify right side
    56,722.97x = 2,570,917,946.69
  5. Step 5: Solve for x
    x = 2,570,917,946.69/56,722.97
  6. Step 6: Final answer
    x = 45,324.11

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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.