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Finding the Fourth Proportional to 76,461.44, 105,517.52 and 44,624.20

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Solution

The fourth proportional to 76,461.44, 105,517.52 and 44,624.20 is: 61,581.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,461.44 : 105,517.52 = 44,624.20 : x
  2. Step 2: Convert to fraction form
    76,461.44/105,517.52 = 44,624.20/x
  3. Step 3: Cross multiply
    76,461.44x = 105,517.52 × 44,624.20
  4. Step 4: Simplify right side
    76,461.44x = 4,708,634,915.98
  5. Step 5: Solve for x
    x = 4,708,634,915.98/76,461.44
  6. Step 6: Final answer
    x = 61,581.82

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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.