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Finding the Fourth Proportional to 58,943.70, 88,415.76 and 30,872.04

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Solution

The fourth proportional to 58,943.70, 88,415.76 and 30,872.04 is: 46,308.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,943.70 : 88,415.76 = 30,872.04 : x
  2. Step 2: Convert to fraction form
    58,943.70/88,415.76 = 30,872.04/x
  3. Step 3: Cross multiply
    58,943.70x = 88,415.76 × 30,872.04
  4. Step 4: Simplify right side
    58,943.70x = 2,729,574,879.35
  5. Step 5: Solve for x
    x = 2,729,574,879.35/58,943.70
  6. Step 6: Final answer
    x = 46,308.17

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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.