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Finding the Fourth Proportional to 33,641.84, 50,465.60 and 8,681.68

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Solution

The fourth proportional to 33,641.84, 50,465.60 and 8,681.68 is: 13,023.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,641.84 : 50,465.60 = 8,681.68 : x
  2. Step 2: Convert to fraction form
    33,641.84/50,465.60 = 8,681.68/x
  3. Step 3: Cross multiply
    33,641.84x = 50,465.60 × 8,681.68
  4. Step 4: Simplify right side
    33,641.84x = 438,126,190.21
  5. Step 5: Solve for x
    x = 438,126,190.21/33,641.84
  6. Step 6: Final answer
    x = 13,023.25

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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.