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Finding the Fourth Proportional to 63,485.62, 95,247.06 and 28,417.48

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Solution

The fourth proportional to 63,485.62, 95,247.06 and 28,417.48 is: 42,634.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,485.62 : 95,247.06 = 28,417.48 : x
  2. Step 2: Convert to fraction form
    63,485.62/95,247.06 = 28,417.48/x
  3. Step 3: Cross multiply
    63,485.62x = 95,247.06 × 28,417.48
  4. Step 4: Simplify right side
    63,485.62x = 2,706,681,422.61
  5. Step 5: Solve for x
    x = 2,706,681,422.61/63,485.62
  6. Step 6: Final answer
    x = 42,634.56

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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.