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Finding the Fourth Proportional to 53,692.98, 80,416.80 and 25,632.75

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Solution

The fourth proportional to 53,692.98, 80,416.80 and 25,632.75 is: 38,390.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,692.98 : 80,416.80 = 25,632.75 : x
  2. Step 2: Convert to fraction form
    53,692.98/80,416.80 = 25,632.75/x
  3. Step 3: Cross multiply
    53,692.98x = 80,416.80 × 25,632.75
  4. Step 4: Simplify right side
    53,692.98x = 2,061,304,031.76
  5. Step 5: Solve for x
    x = 2,061,304,031.76/53,692.98
  6. Step 6: Final answer
    x = 38,390.57

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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.