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Finding the Fourth Proportional to 55,181.88, 76,127.34 and 33,953.40

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Solution

The fourth proportional to 55,181.88, 76,127.34 and 33,953.40 is: 46,841.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,181.88 : 76,127.34 = 33,953.40 : x
  2. Step 2: Convert to fraction form
    55,181.88/76,127.34 = 33,953.40/x
  3. Step 3: Cross multiply
    55,181.88x = 76,127.34 × 33,953.40
  4. Step 4: Simplify right side
    55,181.88x = 2,584,782,025.96
  5. Step 5: Solve for x
    x = 2,584,782,025.96/55,181.88
  6. Step 6: Final answer
    x = 46,841.14

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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.