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Finding the Fourth Proportional to 28,867.60, 43,333.80 and 22,322.80

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Solution

The fourth proportional to 28,867.60, 43,333.80 and 22,322.80 is: 33,509.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,867.60 : 43,333.80 = 22,322.80 : x
  2. Step 2: Convert to fraction form
    28,867.60/43,333.80 = 22,322.80/x
  3. Step 3: Cross multiply
    28,867.60x = 43,333.80 × 22,322.80
  4. Step 4: Simplify right side
    28,867.60x = 967,331,750.64
  5. Step 5: Solve for x
    x = 967,331,750.64/28,867.60
  6. Step 6: Final answer
    x = 33,509.25

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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.