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Finding the Fourth Proportional to 58,611, 87,931.08 and 17,058

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Solution

The fourth proportional to 58,611, 87,931.08 and 17,058 is: 25,591.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,611 : 87,931.08 = 17,058 : x
  2. Step 2: Convert to fraction form
    58,611/87,931.08 = 17,058/x
  3. Step 3: Cross multiply
    58,611x = 87,931.08 × 17,058
  4. Step 4: Simplify right side
    58,611x = 1,499,928,362.64
  5. Step 5: Solve for x
    x = 1,499,928,362.64/58,611
  6. Step 6: Final answer
    x = 25,591.24

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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.