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Finding the Fourth Proportional to 58,216.54, 87,324.82 and 18,238.64

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Solution

The fourth proportional to 58,216.54, 87,324.82 and 18,238.64 is: 27,357.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,216.54 : 87,324.82 = 18,238.64 : x
  2. Step 2: Convert to fraction form
    58,216.54/87,324.82 = 18,238.64/x
  3. Step 3: Cross multiply
    58,216.54x = 87,324.82 × 18,238.64
  4. Step 4: Simplify right side
    58,216.54x = 1,592,685,955.04
  5. Step 5: Solve for x
    x = 1,592,685,955.04/58,216.54
  6. Step 6: Final answer
    x = 27,357.96

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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.