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Finding the Fourth Proportional to 18,430.10, 27,624.44 and 7,333.80

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Solution

The fourth proportional to 18,430.10, 27,624.44 and 7,333.80 is: 10,992.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,430.10 : 27,624.44 = 7,333.80 : x
  2. Step 2: Convert to fraction form
    18,430.10/27,624.44 = 7,333.80/x
  3. Step 3: Cross multiply
    18,430.10x = 27,624.44 × 7,333.80
  4. Step 4: Simplify right side
    18,430.10x = 202,592,118.07
  5. Step 5: Solve for x
    x = 202,592,118.07/18,430.10
  6. Step 6: Final answer
    x = 10,992.46

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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.