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Finding the Fourth Proportional to 63,483.67, 87,615.71 and 41,698.74

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Solution

The fourth proportional to 63,483.67, 87,615.71 and 41,698.74 is: 57,549.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,483.67 : 87,615.71 = 41,698.74 : x
  2. Step 2: Convert to fraction form
    63,483.67/87,615.71 = 41,698.74/x
  3. Step 3: Cross multiply
    63,483.67x = 87,615.71 × 41,698.74
  4. Step 4: Simplify right side
    63,483.67x = 3,653,464,711.21
  5. Step 5: Solve for x
    x = 3,653,464,711.21/63,483.67
  6. Step 6: Final answer
    x = 57,549.68

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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.