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Finding the Fourth Proportional to 73,010.32, 109,515.58 and 17,606.32

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Solution

The fourth proportional to 73,010.32, 109,515.58 and 17,606.32 is: 26,409.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,010.32 : 109,515.58 = 17,606.32 : x
  2. Step 2: Convert to fraction form
    73,010.32/109,515.58 = 17,606.32/x
  3. Step 3: Cross multiply
    73,010.32x = 109,515.58 × 17,606.32
  4. Step 4: Simplify right side
    73,010.32x = 1,928,166,346.47
  5. Step 5: Solve for x
    x = 1,928,166,346.47/73,010.32
  6. Step 6: Final answer
    x = 26,409.50

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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.