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Finding the Fourth Proportional to 61,852.46, 85,358.48 and 36,358.47

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Solution

The fourth proportional to 61,852.46, 85,358.48 and 36,358.47 is: 50,175.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,852.46 : 85,358.48 = 36,358.47 : x
  2. Step 2: Convert to fraction form
    61,852.46/85,358.48 = 36,358.47/x
  3. Step 3: Cross multiply
    61,852.46x = 85,358.48 × 36,358.47
  4. Step 4: Simplify right side
    61,852.46x = 3,103,503,552.53
  5. Step 5: Solve for x
    x = 3,103,503,552.53/61,852.46
  6. Step 6: Final answer
    x = 50,175.92

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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.