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Finding the Fourth Proportional to 82,662.40, 123,998.40 and 23,502.40

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Solution

The fourth proportional to 82,662.40, 123,998.40 and 23,502.40 is: 35,254.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,662.40 : 123,998.40 = 23,502.40 : x
  2. Step 2: Convert to fraction form
    82,662.40/123,998.40 = 23,502.40/x
  3. Step 3: Cross multiply
    82,662.40x = 123,998.40 × 23,502.40
  4. Step 4: Simplify right side
    82,662.40x = 2,914,259,996.16
  5. Step 5: Solve for x
    x = 2,914,259,996.16/82,662.40
  6. Step 6: Final answer
    x = 35,254.96

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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.