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Finding the Fourth Proportional to 22,133.60, 33,200.40 and 19,455.20

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Solution

The fourth proportional to 22,133.60, 33,200.40 and 19,455.20 is: 29,182.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,133.60 : 33,200.40 = 19,455.20 : x
  2. Step 2: Convert to fraction form
    22,133.60/33,200.40 = 19,455.20/x
  3. Step 3: Cross multiply
    22,133.60x = 33,200.40 × 19,455.20
  4. Step 4: Simplify right side
    22,133.60x = 645,920,422.08
  5. Step 5: Solve for x
    x = 645,920,422.08/22,133.60
  6. Step 6: Final answer
    x = 29,182.80

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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.