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Finding the Fourth Proportional to 49,884.73, 68,852.71 and 28,676.30

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Solution

The fourth proportional to 49,884.73, 68,852.71 and 28,676.30 is: 39,580.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,884.73 : 68,852.71 = 28,676.30 : x
  2. Step 2: Convert to fraction form
    49,884.73/68,852.71 = 28,676.30/x
  3. Step 3: Cross multiply
    49,884.73x = 68,852.71 × 28,676.30
  4. Step 4: Simplify right side
    49,884.73x = 1,974,440,967.77
  5. Step 5: Solve for x
    x = 1,974,440,967.77/49,884.73
  6. Step 6: Final answer
    x = 39,580.07

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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.