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Finding the Fourth Proportional to 73,059.39, 109,599.39 and 28,662.06

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Solution

The fourth proportional to 73,059.39, 109,599.39 and 28,662.06 is: 42,997.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,059.39 : 109,599.39 = 28,662.06 : x
  2. Step 2: Convert to fraction form
    73,059.39/109,599.39 = 28,662.06/x
  3. Step 3: Cross multiply
    73,059.39x = 109,599.39 × 28,662.06
  4. Step 4: Simplify right side
    73,059.39x = 3,141,344,292.14
  5. Step 5: Solve for x
    x = 3,141,344,292.14/73,059.39
  6. Step 6: Final answer
    x = 42,997.13

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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.