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Finding the Fourth Proportional to 21,748.59, 32,622.89 and 6,164.19

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Solution

The fourth proportional to 21,748.59, 32,622.89 and 6,164.19 is: 9,246.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,748.59 : 32,622.89 = 6,164.19 : x
  2. Step 2: Convert to fraction form
    21,748.59/32,622.89 = 6,164.19/x
  3. Step 3: Cross multiply
    21,748.59x = 32,622.89 × 6,164.19
  4. Step 4: Simplify right side
    21,748.59x = 201,093,661.49
  5. Step 5: Solve for x
    x = 201,093,661.49/21,748.59
  6. Step 6: Final answer
    x = 9,246.29

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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.