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Finding the Fourth Proportional to 28,814.01, 43,189.75 and 14,754.75

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Solution

The fourth proportional to 28,814.01, 43,189.75 and 14,754.75 is: 22,116.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,814.01 : 43,189.75 = 14,754.75 : x
  2. Step 2: Convert to fraction form
    28,814.01/43,189.75 = 14,754.75/x
  3. Step 3: Cross multiply
    28,814.01x = 43,189.75 × 14,754.75
  4. Step 4: Simplify right side
    28,814.01x = 637,253,963.81
  5. Step 5: Solve for x
    x = 637,253,963.81/28,814.01
  6. Step 6: Final answer
    x = 22,116.12

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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.