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Finding the Fourth Proportional to 67,878.92, 93,668.64 and 41,005.52

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Solution

The fourth proportional to 67,878.92, 93,668.64 and 41,005.52 is: 56,585.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,878.92 : 93,668.64 = 41,005.52 : x
  2. Step 2: Convert to fraction form
    67,878.92/93,668.64 = 41,005.52/x
  3. Step 3: Cross multiply
    67,878.92x = 93,668.64 × 41,005.52
  4. Step 4: Simplify right side
    67,878.92x = 3,840,931,290.89
  5. Step 5: Solve for x
    x = 3,840,931,290.89/67,878.92
  6. Step 6: Final answer
    x = 56,585.04

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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.