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Finding the Fourth Proportional to 59,436.70, 82,031.05 and 36,782.99

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Solution

The fourth proportional to 59,436.70, 82,031.05 and 36,782.99 is: 50,765.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,436.70 : 82,031.05 = 36,782.99 : x
  2. Step 2: Convert to fraction form
    59,436.70/82,031.05 = 36,782.99/x
  3. Step 3: Cross multiply
    59,436.70x = 82,031.05 × 36,782.99
  4. Step 4: Simplify right side
    59,436.70x = 3,017,347,028.38
  5. Step 5: Solve for x
    x = 3,017,347,028.38/59,436.70
  6. Step 6: Final answer
    x = 50,765.72

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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.