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Finding the Fourth Proportional to 63,669.04, 95,470.75 and 28,578.63

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Solution

The fourth proportional to 63,669.04, 95,470.75 and 28,578.63 is: 42,853.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,669.04 : 95,470.75 = 28,578.63 : x
  2. Step 2: Convert to fraction form
    63,669.04/95,470.75 = 28,578.63/x
  3. Step 3: Cross multiply
    63,669.04x = 95,470.75 × 28,578.63
  4. Step 4: Simplify right side
    63,669.04x = 2,728,423,240.07
  5. Step 5: Solve for x
    x = 2,728,423,240.07/63,669.04
  6. Step 6: Final answer
    x = 42,853.22

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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.