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Finding the Fourth Proportional to 37,004.40, 55,514.70 and 12,040.20

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Solution

The fourth proportional to 37,004.40, 55,514.70 and 12,040.20 is: 18,062.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,004.40 : 55,514.70 = 12,040.20 : x
  2. Step 2: Convert to fraction form
    37,004.40/55,514.70 = 12,040.20/x
  3. Step 3: Cross multiply
    37,004.40x = 55,514.70 × 12,040.20
  4. Step 4: Simplify right side
    37,004.40x = 668,408,090.94
  5. Step 5: Solve for x
    x = 668,408,090.94/37,004.40
  6. Step 6: Final answer
    x = 18,062.94

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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.