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Finding the Fourth Proportional to 22,548.80, 33,784.80 and 19,246.40

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Solution

The fourth proportional to 22,548.80, 33,784.80 and 19,246.40 is: 28,836.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,548.80 : 33,784.80 = 19,246.40 : x
  2. Step 2: Convert to fraction form
    22,548.80/33,784.80 = 19,246.40/x
  3. Step 3: Cross multiply
    22,548.80x = 33,784.80 × 19,246.40
  4. Step 4: Simplify right side
    22,548.80x = 650,235,774.72
  5. Step 5: Solve for x
    x = 650,235,774.72/22,548.80
  6. Step 6: Final answer
    x = 28,836.82

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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.