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Finding the Fourth Proportional to 45,770.88, 63,147.84 and 27,860.16

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Solution

The fourth proportional to 45,770.88, 63,147.84 and 27,860.16 is: 38,437.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,770.88 : 63,147.84 = 27,860.16 : x
  2. Step 2: Convert to fraction form
    45,770.88/63,147.84 = 27,860.16/x
  3. Step 3: Cross multiply
    45,770.88x = 63,147.84 × 27,860.16
  4. Step 4: Simplify right side
    45,770.88x = 1,759,308,926.05
  5. Step 5: Solve for x
    x = 1,759,308,926.05/45,770.88
  6. Step 6: Final answer
    x = 38,437.30

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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.