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Finding the Fourth Proportional to 70,179.74, 96,852.64 and 39,560.37

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Solution

The fourth proportional to 70,179.74, 96,852.64 and 39,560.37 is: 54,595.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,179.74 : 96,852.64 = 39,560.37 : x
  2. Step 2: Convert to fraction form
    70,179.74/96,852.64 = 39,560.37/x
  3. Step 3: Cross multiply
    70,179.74x = 96,852.64 × 39,560.37
  4. Step 4: Simplify right side
    70,179.74x = 3,831,526,591.88
  5. Step 5: Solve for x
    x = 3,831,526,591.88/70,179.74
  6. Step 6: Final answer
    x = 54,595.91

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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.