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Finding the Fourth Proportional to 46,662.40, 69,998.20 and 18,576.20

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Solution

The fourth proportional to 46,662.40, 69,998.20 and 18,576.20 is: 27,866.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,662.40 : 69,998.20 = 18,576.20 : x
  2. Step 2: Convert to fraction form
    46,662.40/69,998.20 = 18,576.20/x
  3. Step 3: Cross multiply
    46,662.40x = 69,998.20 × 18,576.20
  4. Step 4: Simplify right side
    46,662.40x = 1,300,300,562.84
  5. Step 5: Solve for x
    x = 1,300,300,562.84/46,662.40
  6. Step 6: Final answer
    x = 27,866.13

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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.