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Finding the Fourth Proportional to 51,859.85, 71,415.99 and 45,050.76

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Solution

The fourth proportional to 51,859.85, 71,415.99 and 45,050.76 is: 62,039.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,859.85 : 71,415.99 = 45,050.76 : x
  2. Step 2: Convert to fraction form
    51,859.85/71,415.99 = 45,050.76/x
  3. Step 3: Cross multiply
    51,859.85x = 71,415.99 × 45,050.76
  4. Step 4: Simplify right side
    51,859.85x = 3,217,344,625.65
  5. Step 5: Solve for x
    x = 3,217,344,625.65/51,859.85
  6. Step 6: Final answer
    x = 62,039.23

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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.