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Finding the Fourth Proportional to 58,057.66, 87,098.79 and 18,642.45

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Solution

The fourth proportional to 58,057.66, 87,098.79 and 18,642.45 is: 27,967.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,057.66 : 87,098.79 = 18,642.45 : x
  2. Step 2: Convert to fraction form
    58,057.66/87,098.79 = 18,642.45/x
  3. Step 3: Cross multiply
    58,057.66x = 87,098.79 × 18,642.45
  4. Step 4: Simplify right side
    58,057.66x = 1,623,735,234.17
  5. Step 5: Solve for x
    x = 1,623,735,234.17/58,057.66
  6. Step 6: Final answer
    x = 27,967.63

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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.