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Finding the Fourth Proportional to 51,043.99, 76,560.99 and 15,505.62

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Solution

The fourth proportional to 51,043.99, 76,560.99 and 15,505.62 is: 23,256.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,043.99 : 76,560.99 = 15,505.62 : x
  2. Step 2: Convert to fraction form
    51,043.99/76,560.99 = 15,505.62/x
  3. Step 3: Cross multiply
    51,043.99x = 76,560.99 × 15,505.62
  4. Step 4: Simplify right side
    51,043.99x = 1,187,125,617.76
  5. Step 5: Solve for x
    x = 1,187,125,617.76/51,043.99
  6. Step 6: Final answer
    x = 23,256.91

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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.