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Finding the Fourth Proportional to 76,662.22, 105,809.58 and 44,838.94

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Solution

The fourth proportional to 76,662.22, 105,809.58 and 44,838.94 is: 61,886.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,662.22 : 105,809.58 = 44,838.94 : x
  2. Step 2: Convert to fraction form
    76,662.22/105,809.58 = 44,838.94/x
  3. Step 3: Cross multiply
    76,662.22x = 105,809.58 × 44,838.94
  4. Step 4: Simplify right side
    76,662.22x = 4,744,389,409.05
  5. Step 5: Solve for x
    x = 4,744,389,409.05/76,662.22
  6. Step 6: Final answer
    x = 61,886.93

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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.