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Finding the Fourth Proportional to 70,059.96, 96,684.87 and 39,849.63

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Solution

The fourth proportional to 70,059.96, 96,684.87 and 39,849.63 is: 54,993.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,059.96 : 96,684.87 = 39,849.63 : x
  2. Step 2: Convert to fraction form
    70,059.96/96,684.87 = 39,849.63/x
  3. Step 3: Cross multiply
    70,059.96x = 96,684.87 × 39,849.63
  4. Step 4: Simplify right side
    70,059.96x = 3,852,856,296.10
  5. Step 5: Solve for x
    x = 3,852,856,296.10/70,059.96
  6. Step 6: Final answer
    x = 54,993.70

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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.