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Finding the Fourth Proportional to 58,617.23, 87,934.04 and 19,177.44

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Solution

The fourth proportional to 58,617.23, 87,934.04 and 19,177.44 is: 28,768.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,617.23 : 87,934.04 = 19,177.44 : x
  2. Step 2: Convert to fraction form
    58,617.23/87,934.04 = 19,177.44/x
  3. Step 3: Cross multiply
    58,617.23x = 87,934.04 × 19,177.44
  4. Step 4: Simplify right side
    58,617.23x = 1,686,349,680.17
  5. Step 5: Solve for x
    x = 1,686,349,680.17/58,617.23
  6. Step 6: Final answer
    x = 28,768.84

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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.