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Finding the Fourth Proportional to 59,057.49, 81,532.50 and 40,934.55

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Solution

The fourth proportional to 59,057.49, 81,532.50 and 40,934.55 is: 56,512.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,057.49 : 81,532.50 = 40,934.55 : x
  2. Step 2: Convert to fraction form
    59,057.49/81,532.50 = 40,934.55/x
  3. Step 3: Cross multiply
    59,057.49x = 81,532.50 × 40,934.55
  4. Step 4: Simplify right side
    59,057.49x = 3,337,496,197.88
  5. Step 5: Solve for x
    x = 3,337,496,197.88/59,057.49
  6. Step 6: Final answer
    x = 56,512.67

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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.