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Finding the Fourth Proportional to 58,722, 88,065.72 and 17,159.12

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Solution

The fourth proportional to 58,722, 88,065.72 and 17,159.12 is: 25,733.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,722 : 88,065.72 = 17,159.12 : x
  2. Step 2: Convert to fraction form
    58,722/88,065.72 = 17,159.12/x
  3. Step 3: Cross multiply
    58,722x = 88,065.72 × 17,159.12
  4. Step 4: Simplify right side
    58,722x = 1,511,130,257.37
  5. Step 5: Solve for x
    x = 1,511,130,257.37/58,722
  6. Step 6: Final answer
    x = 25,733.63

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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.