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Finding the Fourth Proportional to 28,964.16, 43,435.04 and 12,332.03

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Solution

The fourth proportional to 28,964.16, 43,435.04 and 12,332.03 is: 18,493.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,964.16 : 43,435.04 = 12,332.03 : x
  2. Step 2: Convert to fraction form
    28,964.16/43,435.04 = 12,332.03/x
  3. Step 3: Cross multiply
    28,964.16x = 43,435.04 × 12,332.03
  4. Step 4: Simplify right side
    28,964.16x = 535,641,937.50
  5. Step 5: Solve for x
    x = 535,641,937.50/28,964.16
  6. Step 6: Final answer
    x = 18,493.27

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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.