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Finding the Fourth Proportional to 53,553.76, 73,903.24 and 30,893.76

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Solution

The fourth proportional to 53,553.76, 73,903.24 and 30,893.76 is: 42,632.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,553.76 : 73,903.24 = 30,893.76 : x
  2. Step 2: Convert to fraction form
    53,553.76/73,903.24 = 30,893.76/x
  3. Step 3: Cross multiply
    53,553.76x = 73,903.24 × 30,893.76
  4. Step 4: Simplify right side
    53,553.76x = 2,283,148,959.78
  5. Step 5: Solve for x
    x = 2,283,148,959.78/53,553.76
  6. Step 6: Final answer
    x = 42,632.84

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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.