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Finding the Fourth Proportional to 73,507.50, 101,441.16 and 39,973.50

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Solution

The fourth proportional to 73,507.50, 101,441.16 and 39,973.50 is: 55,163.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,507.50 : 101,441.16 = 39,973.50 : x
  2. Step 2: Convert to fraction form
    73,507.50/101,441.16 = 39,973.50/x
  3. Step 3: Cross multiply
    73,507.50x = 101,441.16 × 39,973.50
  4. Step 4: Simplify right side
    73,507.50x = 4,054,958,209.26
  5. Step 5: Solve for x
    x = 4,054,958,209.26/73,507.50
  6. Step 6: Final answer
    x = 55,163.87

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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.