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Finding the Fourth Proportional to 58,424.40, 80,692.17 and 39,270.92

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Solution

The fourth proportional to 58,424.40, 80,692.17 and 39,270.92 is: 54,238.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,424.40 : 80,692.17 = 39,270.92 : x
  2. Step 2: Convert to fraction form
    58,424.40/80,692.17 = 39,270.92/x
  3. Step 3: Cross multiply
    58,424.40x = 80,692.17 × 39,270.92
  4. Step 4: Simplify right side
    58,424.40x = 3,168,855,752.70
  5. Step 5: Solve for x
    x = 3,168,855,752.70/58,424.40
  6. Step 6: Final answer
    x = 54,238.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.