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Finding the Fourth Proportional to 73,050.37, 100,809.30 and 39,516.37

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Solution

The fourth proportional to 73,050.37, 100,809.30 and 39,516.37 is: 54,532.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,050.37 : 100,809.30 = 39,516.37 : x
  2. Step 2: Convert to fraction form
    73,050.37/100,809.30 = 39,516.37/x
  3. Step 3: Cross multiply
    73,050.37x = 100,809.30 × 39,516.37
  4. Step 4: Simplify right side
    73,050.37x = 3,983,617,598.24
  5. Step 5: Solve for x
    x = 3,983,617,598.24/73,050.37
  6. Step 6: Final answer
    x = 54,532.48

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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.