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Finding the Fourth Proportional to 28,797.63, 43,203.27 and 14,757.09

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Solution

The fourth proportional to 28,797.63, 43,203.27 and 14,757.09 is: 22,139.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,797.63 : 43,203.27 = 14,757.09 : x
  2. Step 2: Convert to fraction form
    28,797.63/43,203.27 = 14,757.09/x
  3. Step 3: Cross multiply
    28,797.63x = 43,203.27 × 14,757.09
  4. Step 4: Simplify right side
    28,797.63x = 637,554,437.01
  5. Step 5: Solve for x
    x = 637,554,437.01/28,797.63
  6. Step 6: Final answer
    x = 22,139.13

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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.