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Finding the Fourth Proportional to 76,523.60, 105,610.74 and 44,702.84

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Solution

The fourth proportional to 76,523.60, 105,610.74 and 44,702.84 is: 61,694.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,523.60 : 105,610.74 = 44,702.84 : x
  2. Step 2: Convert to fraction form
    76,523.60/105,610.74 = 44,702.84/x
  3. Step 3: Cross multiply
    76,523.60x = 105,610.74 × 44,702.84
  4. Step 4: Simplify right side
    76,523.60x = 4,721,100,012.50
  5. Step 5: Solve for x
    x = 4,721,100,012.50/76,523.60
  6. Step 6: Final answer
    x = 61,694.69

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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.