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Finding the Fourth Proportional to 89,597.78, 134,302.91 and 33,415.28

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Solution

The fourth proportional to 89,597.78, 134,302.91 and 33,415.28 is: 50,087.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,597.78 : 134,302.91 = 33,415.28 : x
  2. Step 2: Convert to fraction form
    89,597.78/134,302.91 = 33,415.28/x
  3. Step 3: Cross multiply
    89,597.78x = 134,302.91 × 33,415.28
  4. Step 4: Simplify right side
    89,597.78x = 4,487,768,503.87
  5. Step 5: Solve for x
    x = 4,487,768,503.87/89,597.78
  6. Step 6: Final answer
    x = 50,087.95

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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.