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Finding the Fourth Proportional to 59,874.90, 82,631.12 and 33,017.40

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Solution

The fourth proportional to 59,874.90, 82,631.12 and 33,017.40 is: 45,566.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,874.90 : 82,631.12 = 33,017.40 : x
  2. Step 2: Convert to fraction form
    59,874.90/82,631.12 = 33,017.40/x
  3. Step 3: Cross multiply
    59,874.90x = 82,631.12 × 33,017.40
  4. Step 4: Simplify right side
    59,874.90x = 2,728,264,741.49
  5. Step 5: Solve for x
    x = 2,728,264,741.49/59,874.90
  6. Step 6: Final answer
    x = 45,566.08

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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.