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Finding the Fourth Proportional to 60,893.60, 91,386.66 and 49,076.24

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Solution

The fourth proportional to 60,893.60, 91,386.66 and 49,076.24 is: 73,651.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,893.60 : 91,386.66 = 49,076.24 : x
  2. Step 2: Convert to fraction form
    60,893.60/91,386.66 = 49,076.24/x
  3. Step 3: Cross multiply
    60,893.60x = 91,386.66 × 49,076.24
  4. Step 4: Simplify right side
    60,893.60x = 4,484,913,658.96
  5. Step 5: Solve for x
    x = 4,484,913,658.96/60,893.60
  6. Step 6: Final answer
    x = 73,651.64

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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.