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Finding the Fourth Proportional to 58,006, 79,911.66 and 54,518.41

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Solution

The fourth proportional to 58,006, 79,911.66 and 54,518.41 is: 75,107.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,006 : 79,911.66 = 54,518.41 : x
  2. Step 2: Convert to fraction form
    58,006/79,911.66 = 54,518.41/x
  3. Step 3: Cross multiply
    58,006x = 79,911.66 × 54,518.41
  4. Step 4: Simplify right side
    58,006x = 4,356,656,643.66
  5. Step 5: Solve for x
    x = 4,356,656,643.66/58,006
  6. Step 6: Final answer
    x = 75,107.00

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.