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Finding the Fourth Proportional to 45,667, 63,060.52 and 28,700.64

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Solution

The fourth proportional to 45,667, 63,060.52 and 28,700.64 is: 39,632.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,667 : 63,060.52 = 28,700.64 : x
  2. Step 2: Convert to fraction form
    45,667/63,060.52 = 28,700.64/x
  3. Step 3: Cross multiply
    45,667x = 63,060.52 × 28,700.64
  4. Step 4: Simplify right side
    45,667x = 1,809,877,282.73
  5. Step 5: Solve for x
    x = 1,809,877,282.73/45,667
  6. Step 6: Final answer
    x = 39,632.06

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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.