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Finding the Fourth Proportional to 61,007.05, 84,199.80 and 41,871.10

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Solution

The fourth proportional to 61,007.05, 84,199.80 and 41,871.10 is: 57,789.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,007.05 : 84,199.80 = 41,871.10 : x
  2. Step 2: Convert to fraction form
    61,007.05/84,199.80 = 41,871.10/x
  3. Step 3: Cross multiply
    61,007.05x = 84,199.80 × 41,871.10
  4. Step 4: Simplify right side
    61,007.05x = 3,525,537,988.64
  5. Step 5: Solve for x
    x = 3,525,537,988.64/61,007.05
  6. Step 6: Final answer
    x = 57,789.03

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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.