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Finding the Fourth Proportional to 8,030.85, 12,040.12 and 3,347.93

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Solution

The fourth proportional to 8,030.85, 12,040.12 and 3,347.93 is: 5,019.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,030.85 : 12,040.12 = 3,347.93 : x
  2. Step 2: Convert to fraction form
    8,030.85/12,040.12 = 3,347.93/x
  3. Step 3: Cross multiply
    8,030.85x = 12,040.12 × 3,347.93
  4. Step 4: Simplify right side
    8,030.85x = 40,309,503.82
  5. Step 5: Solve for x
    x = 40,309,503.82/8,030.85
  6. Step 6: Final answer
    x = 5,019.33

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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.