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Finding the Fourth Proportional to 63,137, 94,705.68 and 16,390.28

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Solution

The fourth proportional to 63,137, 94,705.68 and 16,390.28 is: 24,585.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,137 : 94,705.68 = 16,390.28 : x
  2. Step 2: Convert to fraction form
    63,137/94,705.68 = 16,390.28/x
  3. Step 3: Cross multiply
    63,137x = 94,705.68 × 16,390.28
  4. Step 4: Simplify right side
    63,137x = 1,552,252,612.79
  5. Step 5: Solve for x
    x = 1,552,252,612.79/63,137
  6. Step 6: Final answer
    x = 24,585.47

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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.