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Finding the Fourth Proportional to 12,030.27, 18,045.27 and 3,265.20

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Solution

The fourth proportional to 12,030.27, 18,045.27 and 3,265.20 is: 4,897.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,030.27 : 18,045.27 = 3,265.20 : x
  2. Step 2: Convert to fraction form
    12,030.27/18,045.27 = 3,265.20/x
  3. Step 3: Cross multiply
    12,030.27x = 18,045.27 × 3,265.20
  4. Step 4: Simplify right side
    12,030.27x = 58,921,415.60
  5. Step 5: Solve for x
    x = 58,921,415.60/12,030.27
  6. Step 6: Final answer
    x = 4,897.76

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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.