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Finding the Fourth Proportional to 14,745.52, 20,349.36 and 8,030.82

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Solution

The fourth proportional to 14,745.52, 20,349.36 and 8,030.82 is: 11,082.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,745.52 : 20,349.36 = 8,030.82 : x
  2. Step 2: Convert to fraction form
    14,745.52/20,349.36 = 8,030.82/x
  3. Step 3: Cross multiply
    14,745.52x = 20,349.36 × 8,030.82
  4. Step 4: Simplify right side
    14,745.52x = 163,422,047.28
  5. Step 5: Solve for x
    x = 163,422,047.28/14,745.52
  6. Step 6: Final answer
    x = 11,082.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.