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Finding the Fourth Proportional to 58,491.33, 87,692.25 and 48,465.30

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Solution

The fourth proportional to 58,491.33, 87,692.25 and 48,465.30 is: 72,660.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,491.33 : 87,692.25 = 48,465.30 : x
  2. Step 2: Convert to fraction form
    58,491.33/87,692.25 = 48,465.30/x
  3. Step 3: Cross multiply
    58,491.33x = 87,692.25 × 48,465.30
  4. Step 4: Simplify right side
    58,491.33x = 4,250,031,203.93
  5. Step 5: Solve for x
    x = 4,250,031,203.93/58,491.33
  6. Step 6: Final answer
    x = 72,660.87

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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.