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Finding the Fourth Proportional to 76,604.34, 105,679.44 and 44,758.92

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Solution

The fourth proportional to 76,604.34, 105,679.44 and 44,758.92 is: 61,747.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,604.34 : 105,679.44 = 44,758.92 : x
  2. Step 2: Convert to fraction form
    76,604.34/105,679.44 = 44,758.92/x
  3. Step 3: Cross multiply
    76,604.34x = 105,679.44 × 44,758.92
  4. Step 4: Simplify right side
    76,604.34x = 4,730,097,600.60
  5. Step 5: Solve for x
    x = 4,730,097,600.60/76,604.34
  6. Step 6: Final answer
    x = 61,747.12

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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.