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Finding the Fourth Proportional to 63,370.63, 87,451.54 and 39,497.28

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Solution

The fourth proportional to 63,370.63, 87,451.54 and 39,497.28 is: 54,506.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,370.63 : 87,451.54 = 39,497.28 : x
  2. Step 2: Convert to fraction form
    63,370.63/87,451.54 = 39,497.28/x
  3. Step 3: Cross multiply
    63,370.63x = 87,451.54 × 39,497.28
  4. Step 4: Simplify right side
    63,370.63x = 3,454,097,961.81
  5. Step 5: Solve for x
    x = 3,454,097,961.81/63,370.63
  6. Step 6: Final answer
    x = 54,506.29

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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.