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Finding the Fourth Proportional to 58,891.32, 88,239.06 and 35,469.72

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Solution

The fourth proportional to 58,891.32, 88,239.06 and 35,469.72 is: 53,145.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,891.32 : 88,239.06 = 35,469.72 : x
  2. Step 2: Convert to fraction form
    58,891.32/88,239.06 = 35,469.72/x
  3. Step 3: Cross multiply
    58,891.32x = 88,239.06 × 35,469.72
  4. Step 4: Simplify right side
    58,891.32x = 3,129,814,751.26
  5. Step 5: Solve for x
    x = 3,129,814,751.26/58,891.32
  6. Step 6: Final answer
    x = 53,145.60

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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.