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Finding the Fourth Proportional to 33,087, 49,630.40 and 13,365.32

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Solution

The fourth proportional to 33,087, 49,630.40 and 13,365.32 is: 20,047.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,087 : 49,630.40 = 13,365.32 : x
  2. Step 2: Convert to fraction form
    33,087/49,630.40 = 13,365.32/x
  3. Step 3: Cross multiply
    33,087x = 49,630.40 × 13,365.32
  4. Step 4: Simplify right side
    33,087x = 663,326,177.73
  5. Step 5: Solve for x
    x = 663,326,177.73/33,087
  6. Step 6: Final answer
    x = 20,047.94

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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.