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Finding the Fourth Proportional to 55,045.21, 75,938.03 and 32,676.25

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Solution

The fourth proportional to 55,045.21, 75,938.03 and 32,676.25 is: 45,078.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,045.21 : 75,938.03 = 32,676.25 : x
  2. Step 2: Convert to fraction form
    55,045.21/75,938.03 = 32,676.25/x
  3. Step 3: Cross multiply
    55,045.21x = 75,938.03 × 32,676.25
  4. Step 4: Simplify right side
    55,045.21x = 2,481,369,889.41
  5. Step 5: Solve for x
    x = 2,481,369,889.41/55,045.21
  6. Step 6: Final answer
    x = 45,078.76

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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.