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Finding the Fourth Proportional to 56,367.54, 77,661.96 and 37,213.20

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Solution

The fourth proportional to 56,367.54, 77,661.96 and 37,213.20 is: 51,271.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,367.54 : 77,661.96 = 37,213.20 : x
  2. Step 2: Convert to fraction form
    56,367.54/77,661.96 = 37,213.20/x
  3. Step 3: Cross multiply
    56,367.54x = 77,661.96 × 37,213.20
  4. Step 4: Simplify right side
    56,367.54x = 2,890,050,049.87
  5. Step 5: Solve for x
    x = 2,890,050,049.87/56,367.54
  6. Step 6: Final answer
    x = 51,271.53

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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.