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Finding the Fourth Proportional to 58,324.82, 87,488.58 and 20,887.46

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Solution

The fourth proportional to 58,324.82, 87,488.58 and 20,887.46 is: 31,331.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,324.82 : 87,488.58 = 20,887.46 : x
  2. Step 2: Convert to fraction form
    58,324.82/87,488.58 = 20,887.46/x
  3. Step 3: Cross multiply
    58,324.82x = 87,488.58 × 20,887.46
  4. Step 4: Simplify right side
    58,324.82x = 1,827,414,215.21
  5. Step 5: Solve for x
    x = 1,827,414,215.21/58,324.82
  6. Step 6: Final answer
    x = 31,331.67

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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.