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Finding the Fourth Proportional to 58,621.76, 87,941.28 and 17,072

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Solution

The fourth proportional to 58,621.76, 87,941.28 and 17,072 is: 25,610.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,621.76 : 87,941.28 = 17,072 : x
  2. Step 2: Convert to fraction form
    58,621.76/87,941.28 = 17,072/x
  3. Step 3: Cross multiply
    58,621.76x = 87,941.28 × 17,072
  4. Step 4: Simplify right side
    58,621.76x = 1,501,333,532.16
  5. Step 5: Solve for x
    x = 1,501,333,532.16/58,621.76
  6. Step 6: Final answer
    x = 25,610.52

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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.