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Finding the Fourth Proportional to 60,582.10, 91,078.41 and 48,818.47

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Solution

The fourth proportional to 60,582.10, 91,078.41 and 48,818.47 is: 73,393.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,582.10 : 91,078.41 = 48,818.47 : x
  2. Step 2: Convert to fraction form
    60,582.10/91,078.41 = 48,818.47/x
  3. Step 3: Cross multiply
    60,582.10x = 91,078.41 × 48,818.47
  4. Step 4: Simplify right side
    60,582.10x = 4,446,308,626.23
  5. Step 5: Solve for x
    x = 4,446,308,626.23/60,582.10
  6. Step 6: Final answer
    x = 73,393.11

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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.