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Finding the Fourth Proportional to 51,794.40, 71,438.40 and 33,860.64

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Solution

The fourth proportional to 51,794.40, 71,438.40 and 33,860.64 is: 46,702.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,794.40 : 71,438.40 = 33,860.64 : x
  2. Step 2: Convert to fraction form
    51,794.40/71,438.40 = 33,860.64/x
  3. Step 3: Cross multiply
    51,794.40x = 71,438.40 × 33,860.64
  4. Step 4: Simplify right side
    51,794.40x = 2,418,949,944.58
  5. Step 5: Solve for x
    x = 2,418,949,944.58/51,794.40
  6. Step 6: Final answer
    x = 46,702.92

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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.