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Finding the Fourth Proportional to 69,365.40, 104,048.10 and 37,872.60

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Solution

The fourth proportional to 69,365.40, 104,048.10 and 37,872.60 is: 56,808.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,365.40 : 104,048.10 = 37,872.60 : x
  2. Step 2: Convert to fraction form
    69,365.40/104,048.10 = 37,872.60/x
  3. Step 3: Cross multiply
    69,365.40x = 104,048.10 × 37,872.60
  4. Step 4: Simplify right side
    69,365.40x = 3,940,572,072.06
  5. Step 5: Solve for x
    x = 3,940,572,072.06/69,365.40
  6. Step 6: Final answer
    x = 56,808.90

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1.5x scale

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.