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Finding the Fourth Proportional to 65,416.76, 98,042.85 and 35,429.82

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Solution

The fourth proportional to 65,416.76, 98,042.85 and 35,429.82 is: 53,100.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,416.76 : 98,042.85 = 35,429.82 : x
  2. Step 2: Convert to fraction form
    65,416.76/98,042.85 = 35,429.82/x
  3. Step 3: Cross multiply
    65,416.76x = 98,042.85 × 35,429.82
  4. Step 4: Simplify right side
    65,416.76x = 3,473,640,527.79
  5. Step 5: Solve for x
    x = 3,473,640,527.79/65,416.76
  6. Step 6: Final answer
    x = 53,100.16

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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.