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Finding the Fourth Proportional to 58,425.63, 87,658.85 and 18,450.82

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Solution

The fourth proportional to 58,425.63, 87,658.85 and 18,450.82 is: 27,682.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,425.63 : 87,658.85 = 18,450.82 : x
  2. Step 2: Convert to fraction form
    58,425.63/87,658.85 = 18,450.82/x
  3. Step 3: Cross multiply
    58,425.63x = 87,658.85 × 18,450.82
  4. Step 4: Simplify right side
    58,425.63x = 1,617,377,662.76
  5. Step 5: Solve for x
    x = 1,617,377,662.76/58,425.63
  6. Step 6: Final answer
    x = 27,682.67

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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.