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Finding the Fourth Proportional to 65,388.92, 98,041.17 and 27,973.40

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Solution

The fourth proportional to 65,388.92, 98,041.17 and 27,973.40 is: 41,942.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,388.92 : 98,041.17 = 27,973.40 : x
  2. Step 2: Convert to fraction form
    65,388.92/98,041.17 = 27,973.40/x
  3. Step 3: Cross multiply
    65,388.92x = 98,041.17 × 27,973.40
  4. Step 4: Simplify right side
    65,388.92x = 2,742,544,864.88
  5. Step 5: Solve for x
    x = 2,742,544,864.88/65,388.92
  6. Step 6: Final answer
    x = 41,942.04

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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.