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Finding the Fourth Proportional to 84,594.32, 116,866.56 and 55,591.28

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Solution

The fourth proportional to 84,594.32, 116,866.56 and 55,591.28 is: 76,799.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,594.32 : 116,866.56 = 55,591.28 : x
  2. Step 2: Convert to fraction form
    84,594.32/116,866.56 = 55,591.28/x
  3. Step 3: Cross multiply
    84,594.32x = 116,866.56 × 55,591.28
  4. Step 4: Simplify right side
    84,594.32x = 6,496,761,659.60
  5. Step 5: Solve for x
    x = 6,496,761,659.60/84,594.32
  6. Step 6: Final answer
    x = 76,799.03

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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.