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Finding the Fourth Proportional to 58,057.41, 87,098.43 and 18,642.21

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Solution

The fourth proportional to 58,057.41, 87,098.43 and 18,642.21 is: 27,967.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,057.41 : 87,098.43 = 18,642.21 : x
  2. Step 2: Convert to fraction form
    58,057.41/87,098.43 = 18,642.21/x
  3. Step 3: Cross multiply
    58,057.41x = 87,098.43 × 18,642.21
  4. Step 4: Simplify right side
    58,057.41x = 1,623,707,222.73
  5. Step 5: Solve for x
    x = 1,623,707,222.73/58,057.41
  6. Step 6: Final answer
    x = 27,967.27

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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.