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Finding the Fourth Proportional to 63,074.88, 94,612.08 and 20,958.12

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Solution

The fourth proportional to 63,074.88, 94,612.08 and 20,958.12 is: 31,437.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,074.88 : 94,612.08 = 20,958.12 : x
  2. Step 2: Convert to fraction form
    63,074.88/94,612.08 = 20,958.12/x
  3. Step 3: Cross multiply
    63,074.88x = 94,612.08 × 20,958.12
  4. Step 4: Simplify right side
    63,074.88x = 1,982,891,326.09
  5. Step 5: Solve for x
    x = 1,982,891,326.09/63,074.88
  6. Step 6: Final answer
    x = 31,437.10

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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.