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Finding the Fourth Proportional to 71,362.53, 107,080.44 and 36,302.07

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Solution

The fourth proportional to 71,362.53, 107,080.44 and 36,302.07 is: 54,471.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,362.53 : 107,080.44 = 36,302.07 : x
  2. Step 2: Convert to fraction form
    71,362.53/107,080.44 = 36,302.07/x
  3. Step 3: Cross multiply
    71,362.53x = 107,080.44 × 36,302.07
  4. Step 4: Simplify right side
    71,362.53x = 3,887,241,628.51
  5. Step 5: Solve for x
    x = 3,887,241,628.51/71,362.53
  6. Step 6: Final answer
    x = 54,471.75

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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.