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Finding the Fourth Proportional to 45,770.56, 68,655.84 and 14,605

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Solution

The fourth proportional to 45,770.56, 68,655.84 and 14,605 is: 21,907.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,770.56 : 68,655.84 = 14,605 : x
  2. Step 2: Convert to fraction form
    45,770.56/68,655.84 = 14,605/x
  3. Step 3: Cross multiply
    45,770.56x = 68,655.84 × 14,605
  4. Step 4: Simplify right side
    45,770.56x = 1,002,718,543.20
  5. Step 5: Solve for x
    x = 1,002,718,543.20/45,770.56
  6. Step 6: Final answer
    x = 21,907.50

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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.