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Finding the Fourth Proportional to 55,118.01, 82,675.80 and 17,676.57

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Solution

The fourth proportional to 55,118.01, 82,675.80 and 17,676.57 is: 26,514.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,118.01 : 82,675.80 = 17,676.57 : x
  2. Step 2: Convert to fraction form
    55,118.01/82,675.80 = 17,676.57/x
  3. Step 3: Cross multiply
    55,118.01x = 82,675.80 × 17,676.57
  4. Step 4: Simplify right side
    55,118.01x = 1,461,424,566.01
  5. Step 5: Solve for x
    x = 1,461,424,566.01/55,118.01
  6. Step 6: Final answer
    x = 26,514.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.