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Finding the Fourth Proportional to 66,465.99, 91,742.03 and 37,801.10

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Solution

The fourth proportional to 66,465.99, 91,742.03 and 37,801.10 is: 52,176.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,465.99 : 91,742.03 = 37,801.10 : x
  2. Step 2: Convert to fraction form
    66,465.99/91,742.03 = 37,801.10/x
  3. Step 3: Cross multiply
    66,465.99x = 91,742.03 × 37,801.10
  4. Step 4: Simplify right side
    66,465.99x = 3,467,950,044.97
  5. Step 5: Solve for x
    x = 3,467,950,044.97/66,465.99
  6. Step 6: Final answer
    x = 52,176.31

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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.