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Finding the Fourth Proportional to 61,050.90, 84,250.50 and 35,574.74

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Solution

The fourth proportional to 61,050.90, 84,250.50 and 35,574.74 is: 49,093.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,050.90 : 84,250.50 = 35,574.74 : x
  2. Step 2: Convert to fraction form
    61,050.90/84,250.50 = 35,574.74/x
  3. Step 3: Cross multiply
    61,050.90x = 84,250.50 × 35,574.74
  4. Step 4: Simplify right side
    61,050.90x = 2,997,190,167.72
  5. Step 5: Solve for x
    x = 2,997,190,167.72/61,050.90
  6. Step 6: Final answer
    x = 49,093.30

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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.