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Finding the Fourth Proportional to 32,991.80, 45,515.36 and 22,928.36

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Solution

The fourth proportional to 32,991.80, 45,515.36 and 22,928.36 is: 31,631.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,991.80 : 45,515.36 = 22,928.36 : x
  2. Step 2: Convert to fraction form
    32,991.80/45,515.36 = 22,928.36/x
  3. Step 3: Cross multiply
    32,991.80x = 45,515.36 × 22,928.36
  4. Step 4: Simplify right side
    32,991.80x = 1,043,592,559.61
  5. Step 5: Solve for x
    x = 1,043,592,559.61/32,991.80
  6. Step 6: Final answer
    x = 31,631.88

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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.