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Finding the Fourth Proportional to 53,553.56, 73,903.74 and 29,679.98

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Solution

The fourth proportional to 53,553.56, 73,903.74 and 29,679.98 is: 40,958.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,553.56 : 73,903.74 = 29,679.98 : x
  2. Step 2: Convert to fraction form
    53,553.56/73,903.74 = 29,679.98/x
  3. Step 3: Cross multiply
    53,553.56x = 73,903.74 × 29,679.98
  4. Step 4: Simplify right side
    53,553.56x = 2,193,461,525.13
  5. Step 5: Solve for x
    x = 2,193,461,525.13/53,553.56
  6. Step 6: Final answer
    x = 40,958.28

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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.