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Finding the Fourth Proportional to 65,907.89, 90,952.41 and 35,692.51

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Solution

The fourth proportional to 65,907.89, 90,952.41 and 35,692.51 is: 49,255.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,907.89 : 90,952.41 = 35,692.51 : x
  2. Step 2: Convert to fraction form
    65,907.89/90,952.41 = 35,692.51/x
  3. Step 3: Cross multiply
    65,907.89x = 90,952.41 × 35,692.51
  4. Step 4: Simplify right side
    65,907.89x = 3,246,319,757.39
  5. Step 5: Solve for x
    x = 3,246,319,757.39/65,907.89
  6. Step 6: Final answer
    x = 49,255.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.