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Finding the Fourth Proportional to 64,400.74, 88,878.81 and 37,551.94

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Solution

The fourth proportional to 64,400.74, 88,878.81 and 37,551.94 is: 51,825.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,400.74 : 88,878.81 = 37,551.94 : x
  2. Step 2: Convert to fraction form
    64,400.74/88,878.81 = 37,551.94/x
  3. Step 3: Cross multiply
    64,400.74x = 88,878.81 × 37,551.94
  4. Step 4: Simplify right side
    64,400.74x = 3,337,571,740.39
  5. Step 5: Solve for x
    x = 3,337,571,740.39/64,400.74
  6. Step 6: Final answer
    x = 51,825.05

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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.