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Finding the Fourth Proportional to 55,666.70, 83,500.05 and 50,126.30

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Solution

The fourth proportional to 55,666.70, 83,500.05 and 50,126.30 is: 75,189.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,666.70 : 83,500.05 = 50,126.30 : x
  2. Step 2: Convert to fraction form
    55,666.70/83,500.05 = 50,126.30/x
  3. Step 3: Cross multiply
    55,666.70x = 83,500.05 × 50,126.30
  4. Step 4: Simplify right side
    55,666.70x = 4,185,548,556.32
  5. Step 5: Solve for x
    x = 4,185,548,556.32/55,666.70
  6. Step 6: Final answer
    x = 75,189.45

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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.