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Finding the Fourth Proportional to 12,065.32, 18,059.10 and 9,473.32

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Solution

The fourth proportional to 12,065.32, 18,059.10 and 9,473.32 is: 14,179.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,065.32 : 18,059.10 = 9,473.32 : x
  2. Step 2: Convert to fraction form
    12,065.32/18,059.10 = 9,473.32/x
  3. Step 3: Cross multiply
    12,065.32x = 18,059.10 × 9,473.32
  4. Step 4: Simplify right side
    12,065.32x = 171,079,633.21
  5. Step 5: Solve for x
    x = 171,079,633.21/12,065.32
  6. Step 6: Final answer
    x = 14,179.45

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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.