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Finding the Fourth Proportional to 28,950.52, 43,394.09 and 14,911.40

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Solution

The fourth proportional to 28,950.52, 43,394.09 and 14,911.40 is: 22,350.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,950.52 : 43,394.09 = 14,911.40 : x
  2. Step 2: Convert to fraction form
    28,950.52/43,394.09 = 14,911.40/x
  3. Step 3: Cross multiply
    28,950.52x = 43,394.09 × 14,911.40
  4. Step 4: Simplify right side
    28,950.52x = 647,066,342.10
  5. Step 5: Solve for x
    x = 647,066,342.10/28,950.52
  6. Step 6: Final answer
    x = 22,350.77

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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.