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Finding the Fourth Proportional to 14,969.73, 22,454.79 and 7,176.72

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Solution

The fourth proportional to 14,969.73, 22,454.79 and 7,176.72 is: 10,765.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,969.73 : 22,454.79 = 7,176.72 : x
  2. Step 2: Convert to fraction form
    14,969.73/22,454.79 = 7,176.72/x
  3. Step 3: Cross multiply
    14,969.73x = 22,454.79 × 7,176.72
  4. Step 4: Simplify right side
    14,969.73x = 161,151,740.49
  5. Step 5: Solve for x
    x = 161,151,740.49/14,969.73
  6. Step 6: Final answer
    x = 10,765.17

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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.