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Finding the Fourth Proportional to 58,073.95, 87,117.41 and 18,617.23

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Solution

The fourth proportional to 58,073.95, 87,117.41 and 18,617.23 is: 27,927.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,073.95 : 87,117.41 = 18,617.23 : x
  2. Step 2: Convert to fraction form
    58,073.95/87,117.41 = 18,617.23/x
  3. Step 3: Cross multiply
    58,073.95x = 87,117.41 × 18,617.23
  4. Step 4: Simplify right side
    58,073.95x = 1,621,884,858.97
  5. Step 5: Solve for x
    x = 1,621,884,858.97/58,073.95
  6. Step 6: Final answer
    x = 27,927.92

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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.