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Finding the Fourth Proportional to 65,685.34, 98,524.36 and 58,373.47

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Solution

The fourth proportional to 65,685.34, 98,524.36 and 58,373.47 is: 87,556.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,685.34 : 98,524.36 = 58,373.47 : x
  2. Step 2: Convert to fraction form
    65,685.34/98,524.36 = 58,373.47/x
  3. Step 3: Cross multiply
    65,685.34x = 98,524.36 × 58,373.47
  4. Step 4: Simplify right side
    65,685.34x = 5,751,208,795.51
  5. Step 5: Solve for x
    x = 5,751,208,795.51/65,685.34
  6. Step 6: Final answer
    x = 87,556.96

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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.