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Finding the Fourth Proportional to 45,969.60, 68,954.40 and 22,591.20

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Solution

The fourth proportional to 45,969.60, 68,954.40 and 22,591.20 is: 33,886.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,969.60 : 68,954.40 = 22,591.20 : x
  2. Step 2: Convert to fraction form
    45,969.60/68,954.40 = 22,591.20/x
  3. Step 3: Cross multiply
    45,969.60x = 68,954.40 × 22,591.20
  4. Step 4: Simplify right side
    45,969.60x = 1,557,762,641.28
  5. Step 5: Solve for x
    x = 1,557,762,641.28/45,969.60
  6. Step 6: Final answer
    x = 33,886.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.