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Finding the Fourth Proportional to 58,907.66, 81,285.46 and 33,412.10

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Solution

The fourth proportional to 58,907.66, 81,285.46 and 33,412.10 is: 46,104.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,907.66 : 81,285.46 = 33,412.10 : x
  2. Step 2: Convert to fraction form
    58,907.66/81,285.46 = 33,412.10/x
  3. Step 3: Cross multiply
    58,907.66x = 81,285.46 × 33,412.10
  4. Step 4: Simplify right side
    58,907.66x = 2,715,917,428.11
  5. Step 5: Solve for x
    x = 2,715,917,428.11/58,907.66
  6. Step 6: Final answer
    x = 46,104.66

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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.