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Finding the Fourth Proportional to 66,957.36, 100,477.04 and 26,969.01

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Solution

The fourth proportional to 66,957.36, 100,477.04 and 26,969.01 is: 40,470.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,957.36 : 100,477.04 = 26,969.01 : x
  2. Step 2: Convert to fraction form
    66,957.36/100,477.04 = 26,969.01/x
  3. Step 3: Cross multiply
    66,957.36x = 100,477.04 × 26,969.01
  4. Step 4: Simplify right side
    66,957.36x = 2,709,766,296.53
  5. Step 5: Solve for x
    x = 2,709,766,296.53/66,957.36
  6. Step 6: Final answer
    x = 40,470.03

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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.