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Finding the Fourth Proportional to 45,328.03, 67,992.67 and 12,047.92

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Solution

The fourth proportional to 45,328.03, 67,992.67 and 12,047.92 is: 18,072.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,328.03 : 67,992.67 = 12,047.92 : x
  2. Step 2: Convert to fraction form
    45,328.03/67,992.67 = 12,047.92/x
  3. Step 3: Cross multiply
    45,328.03x = 67,992.67 × 12,047.92
  4. Step 4: Simplify right side
    45,328.03x = 819,170,408.51
  5. Step 5: Solve for x
    x = 819,170,408.51/45,328.03
  6. Step 6: Final answer
    x = 18,072.05

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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.