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Finding the Fourth Proportional to 76,627.97, 105,730.75 and 44,790.72

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Solution

The fourth proportional to 76,627.97, 105,730.75 and 44,790.72 is: 61,801.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,627.97 : 105,730.75 = 44,790.72 : x
  2. Step 2: Convert to fraction form
    76,627.97/105,730.75 = 44,790.72/x
  3. Step 3: Cross multiply
    76,627.97x = 105,730.75 × 44,790.72
  4. Step 4: Simplify right side
    76,627.97x = 4,735,755,889.99
  5. Step 5: Solve for x
    x = 4,735,755,889.99/76,627.97
  6. Step 6: Final answer
    x = 61,801.92

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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.