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Finding the Fourth Proportional to 49,703.58, 68,592.51 and 28,489.50

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Solution

The fourth proportional to 49,703.58, 68,592.51 and 28,489.50 is: 39,316.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,703.58 : 68,592.51 = 28,489.50 : x
  2. Step 2: Convert to fraction form
    49,703.58/68,592.51 = 28,489.50/x
  3. Step 3: Cross multiply
    49,703.58x = 68,592.51 × 28,489.50
  4. Step 4: Simplify right side
    49,703.58x = 1,954,166,313.65
  5. Step 5: Solve for x
    x = 1,954,166,313.65/49,703.58
  6. Step 6: Final answer
    x = 39,316.41

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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.