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Finding the Fourth Proportional to 61,666.94, 85,100.62 and 33,372.62

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Solution

The fourth proportional to 61,666.94, 85,100.62 and 33,372.62 is: 46,054.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,666.94 : 85,100.62 = 33,372.62 : x
  2. Step 2: Convert to fraction form
    61,666.94/85,100.62 = 33,372.62/x
  3. Step 3: Cross multiply
    61,666.94x = 85,100.62 × 33,372.62
  4. Step 4: Simplify right side
    61,666.94x = 2,840,030,653.02
  5. Step 5: Solve for x
    x = 2,840,030,653.02/61,666.94
  6. Step 6: Final answer
    x = 46,054.35

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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.