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Finding the Fourth Proportional to 46,662.04, 69,991.20 and 11,600.80

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Solution

The fourth proportional to 46,662.04, 69,991.20 and 11,600.80 is: 17,400.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,662.04 : 69,991.20 = 11,600.80 : x
  2. Step 2: Convert to fraction form
    46,662.04/69,991.20 = 11,600.80/x
  3. Step 3: Cross multiply
    46,662.04x = 69,991.20 × 11,600.80
  4. Step 4: Simplify right side
    46,662.04x = 811,953,912.96
  5. Step 5: Solve for x
    x = 811,953,912.96/46,662.04
  6. Step 6: Final answer
    x = 17,400.74

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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.