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Finding the Fourth Proportional to 76,627.64, 105,744.48 and 44,363.62

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Solution

The fourth proportional to 76,627.64, 105,744.48 and 44,363.62 is: 61,220.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,627.64 : 105,744.48 = 44,363.62 : x
  2. Step 2: Convert to fraction form
    76,627.64/105,744.48 = 44,363.62/x
  3. Step 3: Cross multiply
    76,627.64x = 105,744.48 × 44,363.62
  4. Step 4: Simplify right side
    76,627.64x = 4,691,207,927.82
  5. Step 5: Solve for x
    x = 4,691,207,927.82/76,627.64
  6. Step 6: Final answer
    x = 61,220.83

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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.