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Finding the Fourth Proportional to 14,815.73, 22,209.41 and 7,412.73

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Solution

The fourth proportional to 14,815.73, 22,209.41 and 7,412.73 is: 11,112.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,815.73 : 22,209.41 = 7,412.73 : x
  2. Step 2: Convert to fraction form
    14,815.73/22,209.41 = 7,412.73/x
  3. Step 3: Cross multiply
    14,815.73x = 22,209.41 × 7,412.73
  4. Step 4: Simplify right side
    14,815.73x = 164,632,322.73
  5. Step 5: Solve for x
    x = 164,632,322.73/14,815.73
  6. Step 6: Final answer
    x = 11,112.00

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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.