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Finding the Fourth Proportional to 61,974.60, 92,852.55 and 50,820.90

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Solution

The fourth proportional to 61,974.60, 92,852.55 and 50,820.90 is: 76,141.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,974.60 : 92,852.55 = 50,820.90 : x
  2. Step 2: Convert to fraction form
    61,974.60/92,852.55 = 50,820.90/x
  3. Step 3: Cross multiply
    61,974.60x = 92,852.55 × 50,820.90
  4. Step 4: Simplify right side
    61,974.60x = 4,718,850,158.30
  5. Step 5: Solve for x
    x = 4,718,850,158.30/61,974.60
  6. Step 6: Final answer
    x = 76,141.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.