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Finding the Fourth Proportional to 61,626.80, 85,023.88 and 50,276.52

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Solution

The fourth proportional to 61,626.80, 85,023.88 and 50,276.52 is: 69,364.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,626.80 : 85,023.88 = 50,276.52 : x
  2. Step 2: Convert to fraction form
    61,626.80/85,023.88 = 50,276.52/x
  3. Step 3: Cross multiply
    61,626.80x = 85,023.88 × 50,276.52
  4. Step 4: Simplify right side
    61,626.80x = 4,274,704,803.30
  5. Step 5: Solve for x
    x = 4,274,704,803.30/61,626.80
  6. Step 6: Final answer
    x = 69,364.38

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1.5x scale

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.