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Finding the Fourth Proportional to 13,028.94, 19,543.41 and 7,473.96

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Solution

The fourth proportional to 13,028.94, 19,543.41 and 7,473.96 is: 11,210.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,028.94 : 19,543.41 = 7,473.96 : x
  2. Step 2: Convert to fraction form
    13,028.94/19,543.41 = 7,473.96/x
  3. Step 3: Cross multiply
    13,028.94x = 19,543.41 × 7,473.96
  4. Step 4: Simplify right side
    13,028.94x = 146,066,664.60
  5. Step 5: Solve for x
    x = 146,066,664.60/13,028.94
  6. Step 6: Final answer
    x = 11,210.94

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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.