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Finding the Fourth Proportional to 51,995.70, 78,006.15 and 15,059.70

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Solution

The fourth proportional to 51,995.70, 78,006.15 and 15,059.70 is: 22,593.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,995.70 : 78,006.15 = 15,059.70 : x
  2. Step 2: Convert to fraction form
    51,995.70/78,006.15 = 15,059.70/x
  3. Step 3: Cross multiply
    51,995.70x = 78,006.15 × 15,059.70
  4. Step 4: Simplify right side
    51,995.70x = 1,174,749,217.16
  5. Step 5: Solve for x
    x = 1,174,749,217.16/51,995.70
  6. Step 6: Final answer
    x = 22,593.20

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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.