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Finding the Fourth Proportional to 69,638.22, 96,100.49 and 37,807.11

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Solution

The fourth proportional to 69,638.22, 96,100.49 and 37,807.11 is: 52,173.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,638.22 : 96,100.49 = 37,807.11 : x
  2. Step 2: Convert to fraction form
    69,638.22/96,100.49 = 37,807.11/x
  3. Step 3: Cross multiply
    69,638.22x = 96,100.49 × 37,807.11
  4. Step 4: Simplify right side
    69,638.22x = 3,633,281,891.00
  5. Step 5: Solve for x
    x = 3,633,281,891.00/69,638.22
  6. Step 6: Final answer
    x = 52,173.68

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1.5x scale

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.