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Finding the Fourth Proportional to 61,632.70, 85,051.73 and 34,774.52

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Solution

The fourth proportional to 61,632.70, 85,051.73 and 34,774.52 is: 47,988.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,632.70 : 85,051.73 = 34,774.52 : x
  2. Step 2: Convert to fraction form
    61,632.70/85,051.73 = 34,774.52/x
  3. Step 3: Cross multiply
    61,632.70x = 85,051.73 × 34,774.52
  4. Step 4: Simplify right side
    61,632.70x = 2,957,632,747.60
  5. Step 5: Solve for x
    x = 2,957,632,747.60/61,632.70
  6. Step 6: Final answer
    x = 47,988.05

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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.