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Finding the Fourth Proportional to 59,596.80, 89,404.80 and 20,156.24

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Solution

The fourth proportional to 59,596.80, 89,404.80 and 20,156.24 is: 30,237.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,596.80 : 89,404.80 = 20,156.24 : x
  2. Step 2: Convert to fraction form
    59,596.80/89,404.80 = 20,156.24/x
  3. Step 3: Cross multiply
    59,596.80x = 89,404.80 × 20,156.24
  4. Step 4: Simplify right side
    59,596.80x = 1,802,064,605.95
  5. Step 5: Solve for x
    x = 1,802,064,605.95/59,596.80
  6. Step 6: Final answer
    x = 30,237.61

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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.