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Finding the Fourth Proportional to 61,672.01, 85,106.78 and 34,813.94

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Solution

The fourth proportional to 61,672.01, 85,106.78 and 34,813.94 is: 48,042.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,672.01 : 85,106.78 = 34,813.94 : x
  2. Step 2: Convert to fraction form
    61,672.01/85,106.78 = 34,813.94/x
  3. Step 3: Cross multiply
    61,672.01x = 85,106.78 × 34,813.94
  4. Step 4: Simplify right side
    61,672.01x = 2,962,902,332.51
  5. Step 5: Solve for x
    x = 2,962,902,332.51/61,672.01
  6. Step 6: Final answer
    x = 48,042.90

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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.