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Finding the Fourth Proportional to 76,657.50, 105,771.42 and 44,820.24

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Solution

The fourth proportional to 76,657.50, 105,771.42 and 44,820.24 is: 61,842.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,657.50 : 105,771.42 = 44,820.24 : x
  2. Step 2: Convert to fraction form
    76,657.50/105,771.42 = 44,820.24/x
  3. Step 3: Cross multiply
    76,657.50x = 105,771.42 × 44,820.24
  4. Step 4: Simplify right side
    76,657.50x = 4,740,700,429.54
  5. Step 5: Solve for x
    x = 4,740,700,429.54/76,657.50
  6. Step 6: Final answer
    x = 61,842.62

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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.